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.

[Q]: Category: INSECTOID RHYME TIME 
Clue: A London apartment for a small biting fly
[A]: a gnat flat


[Q]: Category: FROGS 
Clue: Probably best known to TV viewers as Valene Ewing, she had female lead in 1972 “Frogs”
[A]: joan van ark


[Q]: Category: SONG BIRDS 
Clue: This bird is mentioned in the lyrics of both "Over The Rainbow" & "Zip-A-Dee-Doo-Dah"
[A]:
bluebird