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: THE HECUBA, YOU SAY 
Clue: Hecuba lays a guilt trip on this eldest son for going into his final combat
[EX A]: hector

[EX Q]: Category: HISTORIC AMOURS 
Clue: He may have sired several of Lady Castlemaine's children; no wonder he was "The Merry Monarch"
[EX A]: charles ii

[EX Q]: Category: BALLET 
Clue: Creating the title role in "Le Spectre de la Rose", this Russian's great exit leap became legend
[EX A]:
najinsky