QUESTION: Generate a question with a factual answer?

ANS: How many prisoners of war were executed in the sack of Delhi?

QUESTION: Generate a question with a factual answer?

ANS: Each year the Earth absorbs how much solar energy in exajoules?

QUESTION: Generate a question with a factual answer?

ANS: In the early 1920s, what was the second most highly populated city in the world?

QUESTION: Generate a question with a factual answer?

ANS:
What was one of the main factors that caused the dissolve of the Holy Roman Empire?