Question: The 2009 Valencian GP2 round was the seventh round of the 2009 GP2 Series season, past Winners include last year's Campos duo Vitaly Petrov and who?
Sentence (from "2009 Valencia Street GP2 Series round"): Past Winners include last year's Campos duo Vitaly Petrov and Lucas di Grassi, who both competed this year.
Relevant evidence: Yes