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.

Category: ALL ABOUT TROMBONES 
Clue: The most common trombone bears the name of this male singing voice
tenor

Category: AUTOBIOGRAPHIES 
Clue: Though he claims never to have said it, he called his autobiography “Nice Guys Finish Last”
leo durocher

Category: COME TO GATHER 
Clue: (Alex: Let's go to Sofia at the United Nations)  People from Uruguay to Ukraine have held the presidency of this body that meets here

the general assembly