Question: when did the kindle fire first come out
[{'answer': 'November 15 , 2011', 'provenance': [{'wikipedia_id': '33221871', 'title': 'Amazon Fire tablet', 'start_paragraph_id': 29, 'start_character': 42, 'end_paragraph_id': 29, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Sales.\n'}]}]