Question: when did the first episode of naruto shippuden air
[{'answer': 'October 28 , 2009', 'provenance': [{'wikipedia_id': '9089624', 'title': 'List of Naruto: Shippuden episodes', 'start_paragraph_id': 2, 'start_character': 446, 'end_paragraph_id': 2, 'end_character': 463, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9089624', 'title': 'List of Naruto: Shippuden episodes', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 644, 'bleu_score': 0.9813933169956551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16978056433438010042}, 'section': 'Section::::Abstract.'}]}]