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.

[EX Q]: Category: SCIENCE GUYS 
Clue: Eugene Dubois died in 1940 still believing his "Java Man" to be this legendary connector between man & ape
[EX A]: the missing link

[EX Q]: Category: U.S. ENDANGERED SPECIES 
Clue: It's not only the chinook; the sockeye species of this fish is endangered also
[EX A]: salmon

[EX Q]: Category: NO. 1 ALBUMS 
Clue: "Glass Houses"
[EX A]:
billy joel