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: Social & Preventive Medicine
[{'content': "The term 'Social Medicine' was first introduced by? \nSelect and explain. \nA. John Snow, B. David Morley, C. Jules Guerin, D. C.E.A. Winslow", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Jules Guerin The term social medicine was first introduced by Jules Guerin, a French physician in 1848.", 'role': 'assistant'}]