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:
Who wrote the 1936 book How To Win Friends and Influence People?

Ex Output:
dale carnegie


Ex Input:
What was Elvis's last No 1 in his own lifetime?

Ex Output:
suspicious minds


Ex Input:
Who was the eldest of the Marx Brothers?

Ex Output:

chico