Question: what is the average size of a prison cell
[{'answer': 'about 6 by 8 feet', 'provenance': [{'wikipedia_id': '2519135', 'title': 'Prison cell', 'start_paragraph_id': 4, 'start_character': 47, 'end_paragraph_id': 4, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Description.\n'}]}, {'provenance': [{'wikipedia_id': '2519135', 'title': 'Prison cell', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 288, 'bleu_score': 0.915132941383415, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5053927153123280897}, 'section': 'Section::::Description.\n'}]}]