Question: when is the new season of supernatural on
[{'answer': 'October 12 , 2017', 'provenance': [{'wikipedia_id': '54184235', 'title': 'Supernatural (season 13)', 'start_paragraph_id': 1, 'start_character': 121, 'end_paragraph_id': 1, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54184235', 'title': 'Supernatural (season 13)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 330, 'bleu_score': 0.660976129714628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11572268444452186848}, 'section': 'Section::::Abstract.'}]}]