Question: who was a renowed astronomer apart from being a physician
[{'answer': 'Nicolaus Copernicus', 'provenance': [{'wikipedia_id': '16197000', 'title': 'Physician writer', 'start_paragraph_id': 13, 'start_character': 12, 'end_paragraph_id': 13, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::15th century.\n'}]}]