Question: when does the next season of doctor who air
[{'answer': 'October 2018', 'provenance': [{'wikipedia_id': '53244824', 'title': 'Doctor Who (series 11)', 'start_paragraph_id': 1, 'start_character': 100, 'end_paragraph_id': 1, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]