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: Pediatrics
[{'content': 'Enzyme deficient is Von Gierke disease is \nSelect and explain. \nA. Acid maltase, B. Alpha 1, 4 glucosidase, C. Glucose phosphorylase, D. Glucose 6 - phosphatase', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Enzyme deficient in Von Gierke disease is Glucose 6 - phosphatase.', 'role': 'assistant'}]