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.

[EX Q]: Category: SINGING ACTORS 
Clue: Joey Lawrence was on this hit sitcom in 1993 when he had a Top 20 hit with "Nothin' My Love Can't Fix"
[EX A]: blossom

[EX Q]: Category: THE 19th CENTURY 
Clue: In 1825 patriots crossed the Rio de la Plata from Argentina to fight for this country's freedom from Brazil
[EX A]: uruguay

[EX Q]: Category: BIG ACTORS, SMALL ROLES 
Clue: Voiced by John Cleese, King Harold of "Shrek" fame was originally one of these small creatures
[EX A]:
frog