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:
Martha Dandridge was the 1st lady of which American President?

Ex Output:
george washington


Ex Input:
The sixth and first strings of a guitar are tuned to which note?

Ex Output:
e


Ex Input:
Who was the last emperor of China?

Ex Output:

puyi