Table:
text: List of Houston Astros Opening Day starting pitchers
Pitchers
Pitchers
Season Pitcher Decision Final_score Opponent Location_
2004* Roy Oswalt (2) ND (L) 4–5 San Francisco Giants Minute Maid Park
2005** Roy Oswalt (3) L 3–7 St. Louis Cardinals Minute Maid Park
2006 Roy Oswalt (4) W 1–0 Florida Marlins Minute Maid Park
2007 Roy Oswalt (5) ND (L) 2–4 Pittsburgh Pirates Minute Maid Park
2008 Roy Oswalt (6) L 0–4 San Diego Padres Petco Park
2009 Roy Oswalt (7) L 2–4 Chicago Cubs Minute Maid Park
2010 Roy Oswalt (8) L 2–5 San Francisco Giants Minute Maid Park
2011 Brett Myers ND (L) 4–5 Philadelphia Phillies Citizens Bank Park
2012 Wandy Rodriguez ND (L) 4–5 Colorado Rockies Minute Maid Park
2013 Bud Norris W 8–2 Texas Rangers Minute Maid Park

Question: Of the Houston Astros opening-day starting pitcher list, Royal Oswalt has opened for the Astros eight years in a row, seven of them at Minute Maid Park, but which year did he start the season opener at Petco Park?