Question: when did the macbook air 11 inch come out
[{'answer': '2010', 'provenance': [{'wikipedia_id': '15183570', 'title': 'MacBook Air', 'start_paragraph_id': 1, 'start_character': 321, 'end_paragraph_id': 1, 'end_character': 325, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15183570', 'title': 'MacBook Air', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 492, 'bleu_score': 0.8261674229803011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12507655661430479441}, 'section': 'Section::::Abstract.'}]}]