Question: when did ipod nano 3rd generation come out
[{'answer': 'September 5 , 2007', 'provenance': [{'wikipedia_id': '2635169', 'title': 'IPod Nano', 'start_paragraph_id': 13, 'start_character': 32, 'end_paragraph_id': 13, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::History.:3rd generation.\n'}]}, {'provenance': [{'wikipedia_id': '2635169', 'title': 'IPod Nano', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 702, 'bleu_score': 0.871586756586027, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17587155574980917797}, 'section': 'Section::::History.:3rd generation.\n'}]}]