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: Microbiology
[{'content': 'Glomerulonephritis in streptococcal infection is diagnosed by - \nSelect and explain. \nA. Blood culture, B. Throat culture, C. ASO Titre, D. PCR', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., ASO Titre", 'role': 'assistant'}]