QUESTION: Generate a question with a factual answer?

ANS: When did Vladimir Komarov die on impact from his spacecraft crash?

QUESTION: Generate a question with a factual answer?

ANS: According to QS World University Rankings and Al-Azhar University, Alexandria University and Ain Shams University are all ranked where?

QUESTION: Generate a question with a factual answer?

ANS: What was the name of the ruler that they created?

QUESTION: Generate a question with a factual answer?

ANS:
What property of wood has a correlation to its density?