In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Is a tld that was originally intended for non profit entities?
.0rg

Who sings the song you find out who your friends are?
Tracy Lawrence

Who presides over any impeachment trial of the president of the united states?

Chief Justice of the United States