In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

[EX Q]: who sings the hell song in the south park movie
[EX A]: Metallica lead singer James Hetfield

[EX Q]: who played barney fife on the andy griffith show
[EX A]: Jesse Donald Knotts

[EX Q]: who played mantis guardians of the galaxy 2
[EX A]:
Pom Klementieff