This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Orthopaedics
[{'content': 'Watson Jones operation is done for? \nSelect and explain. \nA. Neglected Club foot, B. Muscle paralysis, C. Valgus deformity, D. Hip replacement', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Prosthesis of of the hip are used for the replacement of head of femur following non union and AVN. Hip can be approached either by anterior ( WATSON JONES) , Lateral ( Gibson&;s) or posterior ( Moore&;s or Southern&;s) approaches. REF:TB of ohopaedics - Ebnezar - 3rd edn - pg no 623.', 'role': 'assistant'}]