Question: in what part of the body is the cephalic vein located
[{'answer': 'in the arm', 'provenance': [{'wikipedia_id': '2125301', 'title': 'Cephalic vein', 'start_paragraph_id': 1, 'start_character': 58, 'end_paragraph_id': 1, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2125301', 'title': 'Cephalic vein', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 68, 'bleu_score': 0.542918695879615, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14693809774650069543}, 'section': 'Section::::Abstract.'}]}]