You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

[Q]: Category: YOU, ME & DUE PROCESS 
Clue: In 1970 the Supreme Court held for the first time that due process required proof of guilt "beyond" this
[A]: reasonable doubt


[Q]: Category: MOUNTAINS 
Clue: Cotopaxi, the world's highest active volcano, rises just south of Quito, Ecuador in these mountains
[A]: andes


[Q]: Category: TV ALPHABET 
Clue: CBS
[A]:
columbia broadcasting system