Question: when does star trek discovery come on tv
[{'answer': 'September 19 , 2017', 'provenance': [{'wikipedia_id': '48442701', 'title': 'Star Trek: Discovery', 'start_paragraph_id': 3, 'start_character': 36, 'end_paragraph_id': 3, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48442701', 'title': 'Star Trek: Discovery', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 409, 'bleu_score': 0.8138905202150051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2046874701730401311}, 'section': 'Section::::Abstract.'}]}]