Question: a person who drive ship is called what
[{'answer': 'helmsman', 'provenance': [{'wikipedia_id': '2457864', 'title': 'Helmsman', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]