Question: Introduced in the Broadway musical starring Fred and Adele Astaire, the song Oh, Lady Be Good! was written by whom?
{'answer': 'George and Ira Gershwin', 'supporting_facts': [['Oh, Lady Be Good!', 0], ['Oh, Lady Be Good!', 1], ['Oh, Lady Be Good!', 2], ['Oh, Lady Be Good!', 3], ['Adele Astaire', 0]]}