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: Radiology
[{'content': 'Tram Track" calcification is seen in: \nSelect and explain. \nA. Ependymoma, B. Thrombosed cerebral vein, C. Meningioma, D. Sturge-Weber syndrome', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Sturge-Weber syndrome', 'role': 'assistant'}]