Question: who won america's got talent 2015 winner
[{'answer': 'Paul Zerdin', 'provenance': [{'wikipedia_id': '43806423', 'title': "America's Got Talent (season 10)", 'start_paragraph_id': 3, 'start_character': 382, 'end_paragraph_id': 3, 'end_character': 393, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '43806423', 'title': "America's Got Talent (season 10)", 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 539, 'bleu_score': 0.8355976118147861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2952476377902067350}, 'section': 'Section::::Abstract.'}]}]