Question: who won the season 11 of the voice
[{'answer': 'Sundance Head', 'provenance': [{'wikipedia_id': '49949309', 'title': 'The Voice (American season 11)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49949309', 'title': 'The Voice (American season 11)', 'start_paragraph_id': 34, 'start_character': 0, 'end_paragraph_id': 34, 'end_character': 503, 'bleu_score': 0.977139080690077, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10512308559636451041}, 'section': 'Section::::Live shows.:Week 6: Finale (Dec. 12 & 13).\n'}]}]