This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pathology
[{'content': 'Clear cell variety of Renal cell carcinoma is related to gene located on chromosome - \nSelect and explain. \nA. 3, B. X, C. 22, D. 20', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) 3(Ref: Robbins 9th/pg953-955; 8th/pg 964-966)Clear cell variety of Renal cell carcinoma is related to gene located on chromosome 3', 'role': 'assistant'}]