Question: when did the first apple ipod come out
[{'answer': 'October 23 , 2001', 'provenance': [{'wikipedia_id': '89847', 'title': 'IPod', 'start_paragraph_id': 5, 'start_character': 1218, 'end_paragraph_id': 5, 'end_character': 1235, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '89847', 'title': 'IPod', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 272, 'bleu_score': 0.5166298604327161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2929255035885851852}, 'section': 'Section::::Abstract.'}]}]