Question: when was the last time the coast guard was part of the navy
[{'answer': 'World War II', 'provenance': [{'wikipedia_id': '32223', 'title': 'United States Coast Guard', 'start_paragraph_id': 1, 'start_character': 749, 'end_paragraph_id': 1, 'end_character': 761, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32223', 'title': 'United States Coast Guard', 'start_paragraph_id': 73, 'start_character': 0, 'end_paragraph_id': 73, 'end_character': 536, 'bleu_score': 0.7405433909926801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3119239060105875135}, 'section': 'Section::::History.\n'}]}]