Question: when did the first apple ipad come out
[{'answer': '2010', 'provenance': [{'wikipedia_id': '37430420', 'title': 'IPad (1st generation)', 'start_paragraph_id': 2, 'start_character': 53, 'end_paragraph_id': 2, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37430420', 'title': 'IPad (1st generation)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 356, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5487844141146272522}, 'section': 'Section::::Abstract.'}]}]