Question: blood cell production occurs in what section of the bone
[{'answer': 'bone marrow', 'provenance': [{'wikipedia_id': '196130', 'title': 'Bone marrow', 'start_paragraph_id': 1, 'start_character': 127, 'end_paragraph_id': 1, 'end_character': 138, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '196130', 'title': 'Bone marrow', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 577, 'bleu_score': 0.9143543905224231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9883198276488095735}, 'section': 'Section::::Abstract.'}]}]