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 consistency, answers should be in all lower cased letters.

Category: OPERA 
Clue: "Esmeralda", an 1840s opera, is based on a work by this "Miserable" author
victor hugo

Category: OLD TESTAMENT WOMEN 
Clue: Leah bore Jacob 6 sons & this only known daughter; "someone's in the kitchen with" her
dinah

Category: ON "ICE" 
Clue: It's what "The Postman Always" does in the title of a 1934 novel

rings twice