Question: when did season 2 of the exorcist start
[{'answer': 'September 29 , 2017', 'provenance': [{'wikipedia_id': '50506286', 'title': 'The Exorcist (TV series)', 'start_paragraph_id': 2, 'start_character': 110, 'end_paragraph_id': 2, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]