This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjuctiva, Subject name: Ophthalmology
[{'content': 'Most common malignant cancer of conjunctiva \nSelect and explain. \nA. Squamous cell carcinoma, B. Basal cell carcinoma, C. Dermoid, D. Papilloma', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) Squamous cell carcinomaRef: Abeloff's clinical oncology p. 1019SCC is the most common malignancy of the conjunctiva with an incidence of 0.025 to 3.5/100000 population.", 'role': 'assistant'}]