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\*.

who sings the hell song in the south park movie
Metallica lead singer James Hetfield

when does minimum wage go up in ab
1 October 2016

who plays angel in x-men the last stand

Ben Foster