Question: when was the last time the uss missouri sailed
[{'answer': '31 March 1992', 'provenance': [{'wikipedia_id': '87610', 'title': 'USS Missouri (BB-63)', 'start_paragraph_id': 3, 'start_character': 139, 'end_paragraph_id': 3, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '87610', 'title': 'USS Missouri (BB-63)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 399, 'bleu_score': 0.936655266249045, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6312607844032385745}, 'section': 'Section::::Abstract.'}]}]