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.

[Q]: Category: HITCHCOCK FILMS IN OTHER WORDS 
Clue: Romijn or De Mornay
[A]: rebecca


[Q]: Category: SINGING ACTORS 
Clue: In 2001 this Oscar winner sang "Angelina", a romantic tribute to his fifth wife, on his album "Private Radio"
[A]: billy bob thornton


[Q]: Category: CANCELED! 
Clue: All scheduled flights in & out of Heathrow Airport April 18, 2010 were canceled due to this
[A]:
a volcanic eruption