Problem: What type of thing is the question "Who 's the lead singer of the Led Zeppelin band ?" asking about?
Answer: human

Problem: What type of thing is the question "What film marked Robert Redford 's directorial debut ?" asking about?
Answer: entity

Problem: What type of thing is the question "What according to the Kinsey Institute , is the sexual preference of four percent of American males ?" asking about?
Answer:
description