QUESTION: Generate a question with a factual answer?

ANS: How old was Eisenhower when he died?

QUESTION: Generate a question with a factual answer?

ANS: The first astrolabe with gear-wheels was invented when?

QUESTION: Generate a question with a factual answer?

ANS: What year did Michael Dell bring in Lee Walker to the company?

QUESTION: Generate a question with a factual answer?

ANS:
In what year did Frank Shuman patent his solar engine?