Question: where does the hair from a hair transplant come from
[{'answer': 'back of the head', 'provenance': [{'wikipedia_id': '2902770', 'title': 'Hair transplantation', 'start_paragraph_id': 1, 'start_character': 381, 'end_paragraph_id': 1, 'end_character': 397, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'chest', 'provenance': [{'wikipedia_id': '2902770', 'title': 'Hair transplantation', 'start_paragraph_id': 1, 'start_character': 517, 'end_paragraph_id': 1, 'end_character': 522, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'back', 'provenance': [{'wikipedia_id': '2902770', 'title': 'Hair transplantation', 'start_paragraph_id': 1, 'start_character': 381, 'end_paragraph_id': 1, 'end_character': 385, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'shoulders', 'provenance': [{'wikipedia_id': '2902770', 'title': 'Hair transplantation', 'start_paragraph_id': 30, 'start_character': 200, 'end_paragraph_id': 30, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Procedure.:Types of surgery.\n'}]}, {'answer': 'torso', 'provenance': [{'wikipedia_id': '2902770', 'title': 'Hair transplantation', 'start_paragraph_id': 30, 'start_character': 211, 'end_paragraph_id': 30, 'end_character': 216, 'bleu_score': 1.0, 'section': 'Section::::Procedure.:Types of surgery.\n'}]}, {'answer': 'legs', 'provenance': [{'wikipedia_id': '2902770', 'title': 'Hair transplantation', 'start_paragraph_id': 30, 'start_character': 224, 'end_paragraph_id': 30, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Procedure.:Types of surgery.\n'}]}, {'provenance': [{'wikipedia_id': '2902770', 'title': 'Hair transplantation', 'start_paragraph_id': 30, 'start_character': 0, 'end_paragraph_id': 30, 'end_character': 658, 'bleu_score': 0.946668591300401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11636191790036142181}, 'section': 'Section::::Procedure.:Types of surgery.\n'}]}]