What is the question "Who was chief engineer of the Starship Enterprise ?" asking about?
A: human

What is the question "What is D.B. Cooper known for ?" asking about?
A: description

What is the question "What is a Canada two-penny black ?" asking about?
A: description

What is the question "What 's the symbol for the zodiacal sign Gemini ?" asking about?
A:
entity