Question: when did the last ios update come out
[{'answer': 'November 13 , 2017'}, {'provenance': [{'wikipedia_id': '18195583', 'title': 'IOS version history', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 751, 'bleu_score': 0.783479864383086, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6422561536357499700}, 'section': 'Section::::Abstract.'}]}]