Question: who was at the helm when the titanic sank
[{'answer': 'Robert Hichens', 'provenance': [{'wikipedia_id': '1156420', 'title': 'William McMaster Murdoch', 'start_paragraph_id': 17, 'start_character': 161, 'end_paragraph_id': 17, 'end_character': 175, 'bleu_score': 1.0, 'section': 'Section::::"Titanic".\n'}]}, {'provenance': [{'wikipedia_id': '1156420', 'title': 'William McMaster Murdoch', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 456, 'bleu_score': 0.799332532818945, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5099933331723834254}, 'section': 'Section::::"Titanic".\n'}]}]