QUESTION: Generate a question with a factual answer?

ANS: Who can be credited with finding out DDT is useful as an insecticide?

QUESTION: Generate a question with a factual answer?

ANS: How many levels of pre-Ubaid pottery were excavated by the French in the 1980s?

QUESTION: Generate a question with a factual answer?

ANS: What was Nintendo's limit on games per developer per year on the NES?

QUESTION: Generate a question with a factual answer?

ANS:
How often do serialized comics typically appear in Japanese magazines?