QUESTION: Generate a question with a factual answer?

ANS: When did non-avian dinosaurs become extinct?

QUESTION: Generate a question with a factual answer?

ANS: What did Parisian ladies consider proper etiquette when in Chopin's room?

QUESTION: Generate a question with a factual answer?

ANS: When was Bushido formalized?

QUESTION: Generate a question with a factual answer?

ANS:
When was the official tally of students killed in the earthquake released?