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: POP MUSIC 
Clue: In 1989, Roger Daltrey, Pete Townshend & John Entwistle reunited as this group for an American tour
[A]: the who


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


[Q]: Category: WASHINGTON, D.C. 
Clue: Stalactites have formed in the basement under this presidential memorial -- "honest"
[A]:
the lincoln memorial