Question: when did this season of the voice start
[{'answer': 'September 25 , 2017', 'provenance': [{'wikipedia_id': '54117932', 'title': 'The Voice (American season 13)', 'start_paragraph_id': 1, 'start_character': 83, 'end_paragraph_id': 1, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54117932', 'title': 'The Voice (American season 13)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 282, 'bleu_score': 0.8076176367758281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1430496987442161452}, 'section': 'Section::::Abstract.'}]}]