Question: when did the first ipad pro come out
[{'answer': 'November 11 , 2015', 'provenance': [{'wikipedia_id': '47768148', 'title': 'IPad Pro', 'start_paragraph_id': 6, 'start_character': 123, 'end_paragraph_id': 6, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::First generation.\n'}]}, {'provenance': [{'wikipedia_id': '47768148', 'title': 'IPad Pro', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 356, 'bleu_score': 0.8063854195247131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4885474040169776277}, 'section': 'Section::::Abstract.'}]}]