Question: when did the 12 inch macbook come out
[{'answer': 'March 2015', 'provenance': [{'wikipedia_id': '45647728', 'title': 'MacBook (2015–2019)', 'start_paragraph_id': 1, 'start_character': 130, 'end_paragraph_id': 1, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '45647728', 'title': 'MacBook (2015–2019)', 'start_paragraph_id': 1, 'start_character': 57, 'end_paragraph_id': 1, 'end_character': 516, 'bleu_score': 0.8335929328725281, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16447355599496395322}, 'section': 'Section::::Abstract.'}]}]