QUESTION: Generate a question with a factual answer?

ANS: Who were royals usually expected to marry?

QUESTION: Generate a question with a factual answer?

ANS: The literary work "The Odyssey:, was written by whom?

QUESTION: Generate a question with a factual answer?

ANS: What does the potency of antibacterials depend upon?

QUESTION: Generate a question with a factual answer?

ANS:
What is the name of the desert that is located in the driest region in the US?