Problem: What type of thing is the question "What 19th-century writer had a country estate on the Hudson dubbed Sunnyside ?" asking about?
Answer: human

Problem: What type of thing is the question "What breed of dog was the `` Little Rascals '' dog ?" asking about?
Answer: entity

Problem: What type of thing is the question "What is the origin of infinity ?" asking about?
Answer:
description