How many stages did Mark Cavendish win during Tour de France 2009?

Explanation

Mark Cavendish (born 1985) is a British cyclist. Cavendish is a true sprint champion, and has won 15 stages in Tour de France in only 3 years (2008: 4 victories, 2009: 6 victories, 2010: 5 victories). He came second in the points competition in 2009, 10 points after Thor Hushovd, and in 2010, 11 points after Alessandro Petacchi. He and Sandy Casar were the first to sign UCI's anti-doping contract. As a professional, Cavendish has been riding for Team Sparkassen and Team Columbia-HTC.