how many championships were in the $150,000 category?
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col : result | date | category | tournament | surface | partnering | opponents | score row 1 : runner-up | 10 december 1978 | $75,000 | sydney, australia | grass | judy chaloner | kerry reid\n wendy turnbull | 2–6, 6–4, 2–6 row 2 : runner-up | 8 november 1981 | $50,000 | hong kong | clay | susan leo | ann kiyomura\n sharon walsh | 3–6, 4–6 row 3 : winner | 13 june 1982 | $100,000 | birmingham, great britain | grass | jo durie | rosie casals\n wendy turnbull | 6–3, 6–2 row 4 : winner | 23 may 1983 | $150,000 | berlin, germany | carpet | jo durie | claudia kohde-kilsch\n eva pfaff | 6–4, 7–6(7–2) row 5 : runner-up | 19 june 1983 | $150,000 | eastbourne, great britain | grass | jo durie | martina navrátilová\n pam shriver | 1–6, 0–6 row 6 : winner | 21 august 1983 | $200,000 | toronto, canada | hard | andrea jaeger | rosalyn fairbank\n candy reynolds | 6–4, 5–7, 7–5 row 7 : winner | 20 november 1983 | $150,000 | brisbane, australia | grass | wendy turnbull | pam shriver\n sharon walsh | 6–3, 6–4 row 8 : winner | 27 november 1983 | $150,000 | sydney, australia | grass | wendy turnbull | hana mandlíková\n helena suková | 6–4, 6–3 row 9 : runner-up | 12 december 1983 | grand slam | australian open, australia | grass | wendy turnbull | martina navrátilová\n pam shriver | 4–6, 7–6, 2–6 row 10 : winner | 23 january 1984 | $50,000 | denver, united states | hard | marcella mesker | sherry acker\n candy reynolds | 6–2, 6–3 row 11 : runner-up | 29 january 1984 | $100,000 | marco island, united states | clay | andrea jaeger | hana mandlíková\n helena suková | 6–3, 2–6, 2–6 row 12 : runner-up | 16 april 1984 | $200,000 | hilton head, united states | clay | sharon walsh | claudia kohde-kilsch\n hana mandl | 5–7, 2–6 row 13 : runner-up | 22 april 1984 | $250,000 | amelia island, united states | clay | mima jaušovec | kathy jordan\n anne smith | 4–6, 6–3, 4–6 row 14 : runner-up | 23 april 1984 | $200,000 | orlando, united states | clay | wendy turnbull | claudia kohde-kilsch\n hana mandl | 0–6, 6–1, 3–6 row 15 : winner | 20 may 1984 | $150,000 | berlin, germany | clay | candy reynolds | kathy horvath\n virginia ruzici | 6–3, 4–6, 7–6(13–11) row 16 : runner-up | 9 september 1984 | grand slam | us open, united states | hard | wendy turnbull | martina navrátilová\n pam shriver | 2–6, 4–6 row 17 : runner-up | 20 may 1985 | $75,000 | melbourne, australia | carpet | kathy jordan | pam shriver\n liz smylie | 2–6, 7–5, 1–6 row 18 : winner | 15 december 1985 | $50,000 | auckland, new zealand | grass | candy reynolds | lea antonoplis\n adriana villagrán | 6–1, 6–3 row 19 : runner-up | 19 july 1987 | $150,000 | newport, united states | grass | kathy jordan | gigi fernández\n lori mcneil | 6–7(5–7), 5–7 row 20 : runner-up | 30 august 1987 | $150,000 | mahwah, united states | hard | liz smylie | gigi fernández\n lori mcneil | 3–6, 2–6
how many championships were in the $150,000 category?
Result Date Category Tournament Surface Partnering Opponents Score
Runner-up 10 December 1978 $75,000 Sydney, Australia Grass Judy Chaloner Kerry Reid\n Wendy Turnbull 2–6, 6–4, 2–6
Runner-up 8 November 1981 $50,000 Hong Kong Clay Susan Leo Ann Kiyomura\n Sharon Walsh 3–6, 4–6
Winner 13 June 1982 $100,000 Birmingham, Great Britain Grass Jo Durie Rosie Casals\n Wendy Turnbull 6–3, 6–2
Winner 23 May 1983 $150,000 Berlin, Germany Carpet Jo Durie Claudia Kohde-Kilsch\n Eva Pfaff 6–4, 7–6(7–2)
Runner-up 19 June 1983 $150,000 Eastbourne, Great Britain Grass Jo Durie Martina Navrátilová\n Pam Shriver 1–6, 0–6
Winner 21 August 1983 $200,000 Toronto, Canada Hard Andrea Jaeger Rosalyn Fairbank\n Candy Reynolds 6–4, 5–7, 7–5
Winner 20 November 1983 $150,000 Brisbane, Australia Grass Wendy Turnbull Pam Shriver\n Sharon Walsh 6–3, 6–4
Winner 27 November 1983 $150,000 Sydney, Australia Grass Wendy Turnbull Hana Mandlíková\n Helena Suková 6–4, 6–3
Runner-up 12 December 1983 Grand Slam Australian Open, Australia Grass Wendy Turnbull Martina Navrátilová\n Pam Shriver 4–6, 7–6, 2–6
Winner 23 January 1984 $50,000 Denver, United States Hard Marcella Mesker Sherry Acker\n Candy Reynolds 6–2, 6–3
Runner-up 29 January 1984 $100,000 Marco Island, United States Clay Andrea Jaeger Hana Mandlíková\n Helena Suková 6–3, 2–6, 2–6
Runner-up 16 April 1984 $200,000 Hilton Head, United States Clay Sharon Walsh Claudia Kohde-Kilsch\n Hana Mandlíková 5–7, 2–6
Runner-up 22 April 1984 $250,000 Amelia Island, United States Clay Mima Jaušovec Kathy Jordan\n Anne Smith 4–6, 6–3, 4–6
Runner-up 23 April 1984 $200,000 Orlando, United States Clay Wendy Turnbull Claudia Kohde-Kilsch\n Hana Mandlíková 0–6, 6–1, 3–6
Winner 20 May 1984 $150,000 Berlin, Germany Clay Candy Reynolds Kathy Horvath\n Virginia Ruzici 6–3, 4–6, 7–6(13–11)
Runner-up 9 September 1984 Grand Slam US Open, United States Hard Wendy Turnbull Martina Navrátilová\n Pam Shriver 2–6, 4–6
Runner-up 20 May 1985 $75,000 Melbourne, Australia Carpet Kathy Jordan Pam Shriver\n Liz Smylie 2–6, 7–5, 1–6
Winner 15 December 1985 $50,000 Auckland, New Zealand Grass Candy Reynolds Lea Antonoplis\n Adriana Villagrán 6–1, 6–3
Runner-up 19 July 1987 $150,000 Newport, United States Grass Kathy Jordan Gigi Fernández\n Lori McNeil 6–7(5–7), 5–7
Runner-up 30 August 1987 $150,000 Mahwah, United States Hard Liz Smylie Gigi Fernández\n Lori McNeil 3–6, 2–6
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