Question: when did the macbook pro 13 come out
[{'answer': 'October 2008', 'provenance': [{'wikipedia_id': '3677824', 'title': 'MacBook Pro', 'start_paragraph_id': 3, 'start_character': 127, 'end_paragraph_id': 3, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3677824', 'title': 'MacBook Pro', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 364, 'bleu_score': 0.854450709419842, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7260277559021799000}, 'section': 'Section::::Abstract.'}]}]