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\*.
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Question: who sings the hell song in the south park movie

Answer: Metallica lead singer James Hetfield


Question: what is the name given to the chief religious leader of a synagogue

Answer: rabbi


Question: mlb how many times do teams play each other

Answer:
three or four