Question: when did the amazon fire 7 come out
[{'answer': 'September 2015', 'provenance': [{'wikipedia_id': '33221871', 'title': 'Amazon Fire tablet', 'start_paragraph_id': 1, 'start_character': 503, 'end_paragraph_id': 1, 'end_character': 517, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '33221871', 'title': 'Amazon Fire tablet', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 326, 'bleu_score': 0.779160890820714, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7965769165004920872}, 'section': 'Section::::Abstract.'}]}]