Question: when did the ipad pro 12.9 come out
[{'answer': 'on November 11', 'provenance': [{'wikipedia_id': '47768148', 'title': 'IPad Pro', 'start_paragraph_id': 2, 'start_character': 91, 'end_paragraph_id': 2, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47768148', 'title': 'IPad Pro', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 356, 'bleu_score': 0.7782317322876341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6202332614658352574}, 'section': 'Section::::Abstract.'}]}]