Question: when did the first raspberry pi come out
[{'answer': 'February 2012', 'provenance': [{'wikipedia_id': '31692117', 'title': 'Raspberry Pi', 'start_paragraph_id': 8, 'start_character': 62, 'end_paragraph_id': 8, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Generations of released models.\n'}]}, {'provenance': [{'wikipedia_id': '31692117', 'title': 'Raspberry Pi', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 511, 'bleu_score': 0.9766041382465441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17369799617287844768}, 'section': 'Section::::Generations of released models.\n'}]}]