QUESTION: Generate a question with a factual answer?

ANS: How many days after his abdication did Napoleon leave Paris?

QUESTION: Generate a question with a factual answer?

ANS: When did Hubert Walter die?

QUESTION: Generate a question with a factual answer?

ANS: How many records has Underwood sold in America?

QUESTION: Generate a question with a factual answer?

ANS:
Where did Feynman work at in Brazil?