Question: where does cerebrospinal fluid occur in our body
[{'answer': 'brain', 'provenance': [{'wikipedia_id': '7632', 'title': 'Cerebrospinal fluid', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'spinal cord', 'provenance': [{'wikipedia_id': '7632', 'title': 'Cerebrospinal fluid', 'start_paragraph_id': 1, 'start_character': 82, 'end_paragraph_id': 1, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7632', 'title': 'Cerebrospinal fluid', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 547, 'bleu_score': 0.8755476040477841, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10610823431803255696}, 'section': 'Section::::Abstract.'}]}]