Problem: What type of thing is the question "What does NAFTA stand for ?" asking about?
Answer: abbreviation

Problem: What type of thing is the question "What U.S. state is Fort Knox in ?" asking about?
Answer: location

Problem: What type of thing is the question "What fast-food magnate 's initials graced the left sleeve of the San Diego Padres ' baseball uniforms in 1984 ?" asking about?
Answer:
human