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.

[Q]: Category: HEY, BEAUTIFUL 
Clue: She auditioned for the role of Cordelia on "Buffy the Vampire Slayer" but won the title role instead
[A]: sarah michelle gellar


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


[Q]: Category: I CHALLENGE YOU TO A DUEL! 
Clue: In 1712 the Duke of Hamilton & Lord Mohun killed each other in a duel with swords in this London park
[A]:
hyde park