Question: what greek is known for discussing ethics in medicine
[{'answer': 'Hippocrates', 'provenance': [{'wikipedia_id': '4831143', 'title': 'Ancient Greek medicine', 'start_paragraph_id': 3, 'start_character': 281, 'end_paragraph_id': 3, 'end_character': 292, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4831143', 'title': 'Ancient Greek medicine', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 830, 'bleu_score': 0.9598253314161861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4839238935891872083}, 'section': 'Section::::Abstract.'}]}]