Question: who won season 5 of americas got talent
[{'answer': 'Soul singer Michael Grimm', 'provenance': [{'wikipedia_id': '27529608', 'title': "America's Got Talent (season 5)", 'start_paragraph_id': 2, 'start_character': 28, 'end_paragraph_id': 2, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]