Problem: What type of thing is the question "What determines the value of the pearl ?" asking about?
Answer: entity

Problem: What type of thing is the question "On which flight did Fawaz Younis commit air piracy and hostage taking ?" asking about?
Answer: entity

Problem: What type of thing is the question "What is the definition of the Scrabble word ' syzygy ' ?" asking about?
Answer:
description