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: Pathology
[{'content': '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. is 'a' i.e., 3", 'role': 'assistant'}]