What is the name of the professor who teaches Defense Against the Dark Arts in the first book?
Quirinus Quirrell
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> What is the name of the professor who teaches Defense Against the Dark Arts in the first book? [/INST] Quirinus Quirrell </s>