Question: who was the captain of the queen mary
[{'answer': 'Sir Edgar T. Britten', 'provenance': [{'wikipedia_id': '166115', 'title': 'RMS Queen Mary', 'start_paragraph_id': 15, 'start_character': 91, 'end_paragraph_id': 15, 'end_character': 111, 'bleu_score': 1.0, 'section': 'Section::::History (1934–1939).\n'}]}, {'provenance': [{'wikipedia_id': '166115', 'title': 'RMS Queen Mary', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 792, 'bleu_score': 0.8567988667789541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5485835177722390560}, 'section': 'Section::::History (1934–1939).\n'}]}]