QUESTION: answer this: where is walnut grove in little house on the prairie??

ANS: Minnesota
input: What is the answer to this question? who introduced the term entrepreneur first in economics?

output: Richard Cantillon
In: who played the boy in goodnight mr tom??

Out: Nick Robinson
Please answer this: how many pages is the last harry potter book?

759
Q: Answer this question:

when did the open era in tennis begin??

A: 1968
QUESTION: answer this: the city of rome is situated on the river??

ANS:
Tiber