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

Ex Output:
e

Ex Input:
Which stage and screen actor was born in Huyton, Liverpool in 1908?

Ex Output:
rex harrison

Ex Input:
Isaac Singer obtained a US patent in August 1851 for his improvements of which type of machine?

Ex Output:
sewing machine