Question: where is the optic nerve located in the brain
[{'answer': 'occipital lobe', 'provenance': [{'wikipedia_id': '152465', 'title': 'Optic nerve', 'start_paragraph_id': 8, 'start_character': 97, 'end_paragraph_id': 8, 'end_character': 111, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}, {'provenance': [{'wikipedia_id': '152465', 'title': 'Optic nerve', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 447, 'bleu_score': 0.9712154609069981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10312281132407884193}, 'section': 'Section::::Structure.\n'}]}]