Which character is the head of the Ravenclaw house at Hogwarts?
Filius Flitwick.
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> Which character is the head of the Ravenclaw house at Hogwarts? [/INST] Filius Flitwick. </s>