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]: unix command for copying a file from a directory to another
[EX A]: cp

[EX Q]: who played bill sikes in the 1968 film oliver
[EX A]:
Robert Oliver Reed