Question: What USL outfit did the team that an American professional soccer player born July 31, 1987 partner with in the off-season of 2014?
{'answer': 'Wilmington Hammerheads', 'supporting_facts': [['2014 Toronto FC season', 0], ['2014 Toronto FC season', 1], ['2014 Toronto FC season', 2], ['Michael Bradley (soccer)', 0]]}