Question: when did the sony alpha a6000 come out
[{'answer': '12 February 2014', 'provenance': [{'wikipedia_id': '41920284', 'title': 'Sony α6000', 'start_paragraph_id': 1, 'start_character': 63, 'end_paragraph_id': 1, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41920284', 'title': 'Sony α6000', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 523, 'bleu_score': 0.767762694744571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5772809846257756314}, 'section': 'Section::::Abstract.'}]}]