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: Ophthalmology
[{'content': "Best X-ray view to visualise superior orbital fissure is: \nSelect and explain. \nA. Anteroposterior, B. Basal, C. Towne's, D. Caldwell Luc's view", 'role': 'user'}, {'content': "Answer: D \nExplanation: D i.e. Caldwell Luc's view", 'role': 'assistant'}]