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: CHEMISTRY 
Clue: She had high school chemistry with Peter Jacobson, whom she married in 1978 & later helped create "The Nanny"
[EX A]: fran drescher

[EX Q]: Category: EARLY ART 
Clue: This art form of setting stones or glass into mortar was the main decorative art of the Byzantine Empire
[EX A]: mosaic

[EX Q]: Category: OPERA 
Clue: In Act II of this Bizet opera, Escamillo sings the "Toreador's Song"
[EX A]:
"carmen"