Question: who played da vinci in star trek voyager
[{'answer': 'Leonardo da Vinci', 'provenance': [{'wikipedia_id': '177801', 'title': 'John Rhys-Davies', 'start_paragraph_id': 6, 'start_character': 108, 'end_paragraph_id': 6, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Career.\n'}]}]