Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: Who owned Sun Life Stadium the day Roy Halladay pitched the 20th perfect game in MLB history? Passage:The Philadelphia Phillies–Florida Marlins game began at 7:13 p.m. on May 29, 2010, to a crowd of 25,086 at Sun Life Stadium in Miami. The home plate umpire was Mike DiMuro, the first base umpire was Tim Welke, the second base umpire was Jim Reynolds, and the third base umpire was Bill Welke. Roy Halladay pitched the 20th perfect game in MLB history, retiring all 27 batters, and allowing no hits, no runs, and no errors. Although he is known as a ground ball pitcher, he struck out 11, his most of the year and the most by a Phillies pitcher at that point in the season. The opposing pitcher, Josh Johnson, allowed seven hits, one walk, and an unearned run in seven innings. The unearned run came in the top of the third, when Chase Utley's line drive bounced off the glove of Florida center fielder Cameron Maybin, allowing Wilson Valdez to score from first. This was the deciding factor in the game, for Josh Johnson did not allow another run for the duration of the game.


b