Question: when does the new season of south park premier
[{'answer': 'September 13 , 2017'}, {'provenance': [{'wikipedia_id': '27977', 'title': 'South Park', 'start_paragraph_id': 3, 'start_character': 232, 'end_paragraph_id': 3, 'end_character': 783, 'bleu_score': 0.716961154031837, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4970811395237572318}, 'section': 'Section::::Abstract.'}]}]