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:
Which Italian composed the opera La Traviata?

Ex Output:
giuseppe verdi


Ex Input:
Derived from the Greek word meaning perimeter, what is the text form of the sixteenth letter of the Greek alphabet?

Ex Output:
pi


Ex Input:
On television which actor played Onslow in 'Keeping up Appearances' and Vernon Scripps in 'Heartbeat'?

Ex Output:

geoffrey hughes