QUESTION: Generate a question with a factual answer?

ANS: As of May 2014, what was Robert Patton's job title?

QUESTION: Generate a question with a factual answer?

ANS: What traditions does the US Air Force have?

QUESTION: Generate a question with a factual answer?

ANS: What was the solution for the return current problem in Paris Metro?

QUESTION: Generate a question with a factual answer?

ANS:
What empire took over parts of Afghanistan and Pakistan in 720?