Question: when did the navy get rid of dungarees
[{'answer': '1990s', 'provenance': [{'wikipedia_id': '3455880', 'title': 'Uniforms of the United States Navy', 'start_paragraph_id': 109, 'start_character': 86, 'end_paragraph_id': 109, 'end_character': 91, 'bleu_score': 1.0, 'section': 'Section::::Obsolete uniforms.:Dungarees.\n'}]}, {'provenance': [{'wikipedia_id': '3455880', 'title': 'Uniforms of the United States Navy', 'start_paragraph_id': 109, 'start_character': 0, 'end_paragraph_id': 109, 'end_character': 610, 'bleu_score': 0.9471809134444701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1225610211643520199}, 'section': 'Section::::Obsolete uniforms.:Dungarees.\n'}]}]