Question: what is an md in the medical field
[{'answer': 'A Doctor of Medicine', 'provenance': [{'wikipedia_id': '428966', 'title': 'Doctor of Medicine', 'start_paragraph_id': 6, 'start_character': 169, 'end_paragraph_id': 6, 'end_character': 189, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'a medical degree', 'provenance': [{'wikipedia_id': '428966', 'title': 'Doctor of Medicine', 'start_paragraph_id': 1, 'start_character': 76, 'end_paragraph_id': 1, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]