QUESTION: Generate a question with a factual answer?

ANS: How long did "Like a Virgin" stayed on the Billboard 100?

QUESTION: Generate a question with a factual answer?

ANS: The company used camouflage from what designers?

QUESTION: Generate a question with a factual answer?

ANS: Who was the author of the book, The Yong Mans Gleanings?

QUESTION: Generate a question with a factual answer?

ANS:
What technology is used by night-vision devices?