Question: who was the first america got talent winner
[{'answer': 'Bianca Taylor Ryan', 'provenance': [{'wikipedia_id': '6164957', 'title': 'Bianca Ryan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6164957', 'title': 'Bianca Ryan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 525, 'bleu_score': 0.978138775770484, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10256043953388122888}, 'section': 'Section::::Abstract.'}]}]