Question: who is known as the father of western medicine
[{'answer': 'Hippocrates of Kos', 'provenance': [{'wikipedia_id': '13486', 'title': 'Hippocrates', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '13486', 'title': 'Hippocrates', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 610, 'bleu_score': 0.8379380576537361, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4024452892156820656}, 'section': 'Section::::Abstract.'}]}]