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 did trinidad and tobago become an independent nation
1962

how many states in us still have death penalty

31