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.

In the TV programme '24', what is the name of the character played by Kiefer Sutherland?
jack bauer

In the Shakespeare play 'Macbeth', which character carries Macbeth's head on stage?
macduff

What is the capital of El Salvador?

san salvador