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 Input:
Omega is the last letter of the Greek alphabet, which is the penultimate letter?

Ex Output:
psi

Ex Input:
The Hoover Dam is on the border of Arizona and which other state?

Ex Output:
nevada

Ex Input:
Which singer was married to actor Emilio Estevez from 1992 - 1994?

Ex Output:
paula abdul