Question: when does american horror story season 9 start
[{'answer': '2019', 'provenance': [{'wikipedia_id': '31227103', 'title': 'American Horror Story', 'start_paragraph_id': 2, 'start_character': 1585, 'end_paragraph_id': 2, 'end_character': 1589, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]