how many events were at least 50 km?
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col : year | competition | venue | position | event | notes row 1 : 1987 | european junior championships | birmingham, united kingdom | – | 20 km walk | dq row 2 : 1990 | european championships | split, yugoslavia | 4th | 20 km walk | 1:23.47 row 3 : 1991 | world championships | tokyo, japan | 10th | 20 km walk | 1:21:32 row 4 : 1991 | world championships | tokyo, japan | – | 50 km walk | dnf row 5 : 1992 | olympic games | barcelona, spain | – | 20 km walk | dnf row 6 : 1992 | olympic games | barcelona, spain | – | 50 km walk | dq row 7 : 1993 | world indoor championships | toronto, canada | 2nd | 5000 m walk | 18:35.91 row 8 : 1993 | world championships | stuttgart, germany | – | 50 km walk | dq row 9 : 1994 | european championships | helsinki, finland | – | 50 km walk | dq row 10 : 1994 | european championships | helsinki, finland | 5th | 50 km walk | 3:45:57 row 11 : 1995 | world championships | gothenburg, sweden | 3rd | 50 km walk | 3:45.57 row 12 : 1996 | olympic games | atlanta, united states | 8th | 20 km walk | 1:21:13 row 13 : 1996 | olympic games | atlanta, united states | 1st | 50 km walk | 3:43:30 row 14 : 1997 | world championships | athens, greece | 1st | 50 km walk | 3:44:46 row 15 : 1998 | european championships | budapest, hungary | 1st | 50 km walk | 3:43:51 row 16 : 1999 | world race walking cup | mézidon-canon, france | 4th | 20 km walk | 1:20:52 row 17 : 1999 | world championships | seville, spain | – | 50 km walk | dq row 18 : 2000 | european race walking cup | eisenhüttenstadt, germany | 1st | 20 km walk | 1:18:29 row 19 : 2000 | olympic games | sydney, australia | 1st | 20 km walk | 1:18:59 (or) row 20 : 2000 | olympic games | sydney, australia | 1st | 50 km walk | 3:42:22 row 21 : 2001 | world championships | edmonton, canada | 1st | 50 km walk | 3:42.08 row 22 : 2001 | goodwill games | brisbane, australia | 2nd | 20,000 m walk | 1:19:52.0 row 23 : 2002 | european championships | munich, germany | 1st | 50 km walk | 3:36:39 (wr) row 24 : 2003 | world championships | paris, france | 1st | 50 km walk | 3:36:03 row 25 : 2004 | olympic games | athens, greece | 1st | 50 km walk | 3:38:46
how many events were at least 50 km?
Year Competition Venue Position Event Notes
1987 European Junior Championships Birmingham, United Kingdom – 20 km walk DQ
1990 European Championships Split, Yugoslavia 4th 20 km walk 1:23.47
1991 World Championships Tokyo, Japan 10th 20 km walk 1:21:32
1991 World Championships Tokyo, Japan – 50 km walk DNF
1992 Olympic Games Barcelona, Spain – 20 km walk DNF
1992 Olympic Games Barcelona, Spain – 50 km walk DQ
1993 World Indoor Championships Toronto, Canada 2nd 5000 m walk 18:35.91
1993 World Championships Stuttgart, Germany – 50 km walk DQ
1994 European Championships Helsinki, Finland – 50 km walk DQ
1994 European Championships Helsinki, Finland 5th 50 km walk 3:45:57
1995 World Championships Gothenburg, Sweden 3rd 50 km walk 3:45.57
1996 Olympic Games Atlanta, United States 8th 20 km walk 1:21:13
1996 Olympic Games Atlanta, United States 1st 50 km walk 3:43:30
1997 World Championships Athens, Greece 1st 50 km walk 3:44:46
1998 European Championships Budapest, Hungary 1st 50 km walk 3:43:51
1999 World Race Walking Cup Mézidon-Canon, France 4th 20 km walk 1:20:52
1999 World Championships Seville, Spain – 50 km walk DQ
2000 European Race Walking Cup Eisenhüttenstadt, Germany 1st 20 km walk 1:18:29
2000 Olympic Games Sydney, Australia 1st 20 km walk 1:18:59 (OR)
2000 Olympic Games Sydney, Australia 1st 50 km walk 3:42:22
2001 World Championships Edmonton, Canada 1st 50 km walk 3:42.08
2001 Goodwill Games Brisbane, Australia 2nd 20,000 m walk 1:19:52.0
2002 European Championships Munich, Germany 1st 50 km walk 3:36:39 (WR)
2003 World Championships Paris, France 1st 50 km walk 3:36:03
2004 Olympic Games Athens, Greece 1st 50 km walk 3:38:46
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