Question: what episode does minato join the 4th war
[{'answer': '372', 'provenance': [{'wikipedia_id': '43952577', 'title': 'Naruto: Shippuden (season 17)', 'start_paragraph_id': 3, 'start_character': 137, 'end_paragraph_id': 3, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]