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': 'A per NFHS III data, the wealthiest state is: \nSelect and explain. \nA. Delhi, B. Haryana, C. Punjab, D. Goa', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Delhi has the highest percentage of population (70%) in the highest quintile of wealth index, followed by Goa (55%). States with low wealth index include Chhattisgarh and Orissa. Ref: Park 21st edition page: 639.', 'role': 'assistant'}]