what is the total number of first places earned by sky track riders?
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col : date | competition | location | country | event | placing | rider | nationality row 1 : 31 october 2008 | 2008–09 world cup | manchester | united kingdom | sprint | 1 | victoria pendleton | gbr row 2 : 31 october 2008 | 2008–09 world cup | manchester | united kingdom | keirin | 2 | jason kenny | gbr row 3 : 1 november 2008 | 2008–09 world cup | manchester | united kingdom | sprint | 1 | jason kenny | gbr row 4 : 1 november 2008 | 2008–09 world cup | manchester | united kingdom | 500 m time trial | 1 | victoria pendleton | gbr row 5 : 2 november 2008 | 2008–09 world cup | manchester | united kingdom | team sprint | 1 | ross edgar | gbr row 6 : 2 november 2008 | 2008–09 world cup | manchester | united kingdom | team sprint | 1 | jason kenny | gbr row 7 : 2 november 2008 | 2008–09 world cup | manchester | united kingdom | team sprint | 1 | jamie staff | gbr row 8 : 2 november 2008 | 2008–09 world cup | manchester | united kingdom | keirin | 1 | victoria pendleton | gbr row 9 : 2 november 2008 | 5th international keirin event | manchester | united kingdom | international keirin | 2 | ross edgar | gbr row 10 : 13 february 2009 | 2008–09 world cup | copenhagen | denmark | team sprint | 1 | chris hoy | gbr row 11 : 13 february 2009 | 2008–09 world cup | copenhagen | denmark | team sprint | 1 | jason kenny | gbr row 12 : 13 february 2009 | 2008–09 world cup | copenhagen | denmark | team sprint | 1 | jamie staff | gbr row 13 : 13 february 2009 | 2008–09 world cup | copenhagen | denmark | sprint | 1 | victoria pendleton | gbr row 14 : 30 october 2009 | 2009–10 world cup | manchester | united kingdom | keirin | 1 | chris hoy | gbr row 15 : 30 october 2009 | 2009–10 world cup | manchester | united kingdom | sprint | 1 | victoria pendleton | gbr row 16 : 30 october 2009 | 2009–10 world cup | manchester | united kingdom | sprint | 1 | chris hoy | gbr row 17 : 30 october 2009 | 2009–10 world cup | manchester | united kingdom | 500 m time trial | 2 | victoria pendleton | gbr row 18 : 1 november 2009 | 2009–10 world cup | manchester | united kingdom | team sprint | 1 | ross edgar | gbr row 19 : 1 november 2009 | 2009–10 world cup | manchester | united kingdom | team sprint | 1 | chris hoy | gbr row 20 : 1 november 2009 | 2009–10 world cup | manchester | united kingdom | team sprint | 1 | jamie staff | gbr
what is the total number of first places earned by sky track riders?
Date Competition Location Country Event Placing Rider Nationality
31 October 2008 2008–09 World Cup Manchester United Kingdom Sprint 1 Victoria Pendleton GBR
31 October 2008 2008–09 World Cup Manchester United Kingdom Keirin 2 Jason Kenny GBR
1 November 2008 2008–09 World Cup Manchester United Kingdom Sprint 1 Jason Kenny GBR
1 November 2008 2008–09 World Cup Manchester United Kingdom 500 m time trial 1 Victoria Pendleton GBR
2 November 2008 2008–09 World Cup Manchester United Kingdom Team sprint 1 Ross Edgar GBR
2 November 2008 2008–09 World Cup Manchester United Kingdom Team sprint 1 Jason Kenny GBR
2 November 2008 2008–09 World Cup Manchester United Kingdom Team sprint 1 Jamie Staff GBR
2 November 2008 2008–09 World Cup Manchester United Kingdom Keirin 1 Victoria Pendleton GBR
2 November 2008 5th International Keirin Event Manchester United Kingdom International keirin 2 Ross Edgar GBR
13 February 2009 2008–09 World Cup Copenhagen Denmark Team sprint 1 Chris Hoy GBR
13 February 2009 2008–09 World Cup Copenhagen Denmark Team sprint 1 Jason Kenny GBR
13 February 2009 2008–09 World Cup Copenhagen Denmark Team sprint 1 Jamie Staff GBR
13 February 2009 2008–09 World Cup Copenhagen Denmark Sprint 1 Victoria Pendleton GBR
30 October 2009 2009–10 World Cup Manchester United Kingdom Keirin 1 Chris Hoy GBR
30 October 2009 2009–10 World Cup Manchester United Kingdom Sprint 1 Victoria Pendleton GBR
30 October 2009 2009–10 World Cup Manchester United Kingdom Sprint 1 Chris Hoy GBR
30 October 2009 2009–10 World Cup Manchester United Kingdom 500 m time trial 2 Victoria Pendleton GBR
1 November 2009 2009–10 World Cup Manchester United Kingdom Team sprint 1 Ross Edgar GBR
1 November 2009 2009–10 World Cup Manchester United Kingdom Team sprint 1 Chris Hoy GBR
1 November 2009 2009–10 World Cup Manchester United Kingdom Team sprint 1 Jamie Staff GBR
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