QUESTION: Generate a question with a factual answer?

ANS: What was the percentage of whites in 1970?

QUESTION: Generate a question with a factual answer?

ANS: What is the color rendering index of an incandescent light?

QUESTION: Generate a question with a factual answer?

ANS: When was the University of Berlin founded?

QUESTION: Generate a question with a factual answer?

ANS:
Which school of medicine was based on strict observation?