QUESTION: Generate a question with a factual answer?

ANS: How far back do the Mesopotamian people go?

QUESTION: Generate a question with a factual answer?

ANS: The president said the U.S. would be joining how many donor nations?

QUESTION: Generate a question with a factual answer?

ANS: What is a vertical column of liquid in a tube which has different pressures at each end called?

QUESTION: Generate a question with a factual answer?

ANS:
How much of the population returned in four months?