Question: who won america's got talent season 9
[{'answer': 'Mat Franco', 'provenance': [{'wikipedia_id': '40908104', 'title': "America's Got Talent (season 9)", 'start_paragraph_id': 1, 'start_character': 119, 'end_paragraph_id': 1, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40908104', 'title': "America's Got Talent (season 9)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 331, 'bleu_score': 0.9262685672663881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5583073527140410089}, 'section': 'Section::::Abstract.'}]}]