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 simplicity, answers should be in all lower cased letters.

Category: SCIENCE "T"ALK 
Clue: It's what the "t" stands for in tRNA
transfer

Category: WINSTON CHURCHILL 
Clue: Churchill turned down a dukedom but did accept a knighthood from this monarch in 1953
queen elizabeth ii

Category: 13-LETTER WORDS 
Clue: Profession of Edgar Bergen or Shari Lewis

ventriloquist