Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

[EX Q]: Three of the Galilean moons of Jupiter are Io, Europa and Callisto. Which is the fourth?
[EX A]: ganymede

[EX Q]: Matt Damon played which role in a trilogy of films about an amnesiac who also suffers from PTSD who is attempting to discover his true identity amidst a clandestine conspiracy within the CIA to track him down and arrest or kill him?
[EX A]: jason bourne

[EX Q]: According to legend, on which Mediterranean island did the Cyclops, Polyphemus, live?
[EX A]:
sicily