Question: cells in the islets of langerhans that produce insulin
[{'answer': 'Beta cells', 'provenance': [{'wikipedia_id': '199453', 'title': 'Pancreatic islets', 'start_paragraph_id': 7, 'start_character': 12, 'end_paragraph_id': 7, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Structure.:Microanatomy.\n'}]}, {'provenance': [{'wikipedia_id': '199453', 'title': 'Pancreatic islets', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 55, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11961139469081405953}, 'section': 'Section::::Structure.:Microanatomy.\n'}]}]