Question: who won america's got talent season 6
[{'answer': 'Landau Eugene Murphy , Jr.', 'provenance': [{'wikipedia_id': '28383286', 'title': "America's Got Talent (season 6)", 'start_paragraph_id': 41, 'start_character': 326, 'end_paragraph_id': 41, 'end_character': 361, 'bleu_score': 1.0, 'section': 'Section::::Finals.\n'}]}]