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.

Which tree belongs to the genus Betula?
birch

What character was played first by John Wayne in a 1969 film, and by Jeff Bridges in a 2010 remake?
rooster cogburn

Which former leader of the Lib Dems was the MP for Yeovil?

paddy ashdown