Question: the optic nerve is known also as what cranial nerve
[{'answer': 'cranial nerve II', 'provenance': [{'wikipedia_id': '152465', 'title': 'Optic nerve', 'start_paragraph_id': 1, 'start_character': 31, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '152465', 'title': 'Optic nerve', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 479, 'bleu_score': 0.896533631026689, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5444940343184801552}, 'section': 'Section::::Abstract.'}]}]