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: ACTORS & ROLES 
Clue: 1 of 3 actors who won Best Actor Oscar for playing an actor
[A]: jimmy cagney, ronald colman, or richard dreyfuss


[Q]: Category: PLAGUES & PESTILENCE 
Clue: Having first escaped from a South American research lab in 1957, they became a threat to the U.S. in 1990
[A]: killer bees


[Q]: Category: RECENT INNOVATIONS 
Clue: Known by a 3-letter abbrev., it was first proposed in 1989 by software developer Tim Berners-Lee
[A]:
world wide web