This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': "How many ATP's are formed in case of stearic acid by (b-oxidation? \nSelect and explain. \nA. 7, B. 18, C. 56, D. 147", 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. 147', 'role': 'assistant'}]