Question: where does fatty acid oxidation occur in the cell
[{'answer': 'mitochondrial matrix', 'provenance': [{'wikipedia_id': '1437371', 'title': 'Fatty acid metabolism', 'start_paragraph_id': 12, 'start_character': 255, 'end_paragraph_id': 12, 'end_character': 275, 'bleu_score': 1.0, 'section': 'Section::::Fatty acid catabolism.\n'}]}, {'provenance': [{'wikipedia_id': '1437371', 'title': 'Fatty acid metabolism', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 659, 'bleu_score': 0.91592797735422, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9127714524856333680}, 'section': 'Section::::Fatty acid catabolism.\n'}]}]