This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thigh, Knee,Leg,Foot & Ankle injuries, Subject name: Orthopaedics
[{'content': 'Watson Jones operation is done for which condition ? \nSelect and explain. \nA. Polio, B. Muscle paralysis, C. Neglected clubfoot, D. Chronic ankle instability', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ref : maheswari 9th ed', 'role': 'assistant'}]