Problem: What type of thing is the question "What was Paul Bunyan 's ox 's name ?" asking about?
Answer: entity

Problem: What type of thing is the question "What is the name of actor Rex Harrison 's son , who starred in a modestly popular TV show during the late 1960's ?" asking about?
Answer: human

Problem: What type of thing is the question "Who was William Henry Harrison ?" asking about?
Answer:
human