Question: how many rods are in the human eye
[{'answer': 'about 120 million', 'provenance': [{'wikipedia_id': '401150', 'title': 'Photoreceptor cell', 'start_paragraph_id': 5, 'start_character': 26, 'end_paragraph_id': 5, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '401150', 'title': 'Photoreceptor cell', 'start_paragraph_id': 5, 'start_character': 4, 'end_paragraph_id': 5, 'end_character': 534, 'bleu_score': 0.819301289277073, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15155152165328198945}, 'section': 'Section::::Abstract.'}]}]