What is the question "What 's the hardest substance in the human body ?" asking about?
A: entity

What is the question "How many freckles does Howdy Doody have on his face ?" asking about?
A: numeric

What is the question "What is porphyria ?" asking about?
A: description

What is the question "Hazmat stands for what ?" asking about?
A:
description