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': 'Most specific antibody in SLE is ? \nSelect and explain. \nA. Anti nuclear, B. Anti Sm, C. Anti Ro, D. Anti histone', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Anti Sm", 'role': 'assistant'}]