Generate a question with a factual answer.
Generated: In what year did CDs come to the American market?

Generate a question with a factual answer.
Generated: How much did Schwarzenegger spend to convert a Hummer to run on hydrogen?

Generate a question with a factual answer.
Generated: How many people died in the Triangle Shirtwaist Factory fire?

Generate a question with a factual answer.
Generated: When can the reserve force be called upon?