Question: who won season 13 of the voice usa
[{'answer': 'Chloe Kohanski', 'provenance': [{'wikipedia_id': '54117932', 'title': 'The Voice (American season 13)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54117932', 'title': 'The Voice (American season 13)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 410, 'bleu_score': 0.8653294471034161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9133649549518369527}, 'section': 'Section::::Abstract.'}]}]