QUESTION: Generate a question with a factual answer?

ANS: What did Zhu Yuanzhang build around the city of Nanjing?

QUESTION: Generate a question with a factual answer?

ANS: During what period did hunter-gatherers begin to focus food collection on a more limited range?

QUESTION: Generate a question with a factual answer?

ANS: Destiny's Child got a star on the Hollywood Walk of Fame in what year?

QUESTION: Generate a question with a factual answer?

ANS:
Over how many million people speak Czech?