Question: Robbie Coltrane is known for his role in the "Harry Potter" films in which he is eventually revealed to be a member of which order?
Sentence (from "Rubeus Hagrid"): He is introduced in "Harry Potter and the Philosophers Stone" as a half-giant and half-human who is the gamekeeper and Keeper of Keys and Grounds of Hogwarts, the primary setting for the first six novels.
Relevant evidence: No