QUESTION: Generate a question with a factual answer?

ANS: What is the spacing effect?

QUESTION: Generate a question with a factual answer?

ANS: How large is South Tucson?

QUESTION: Generate a question with a factual answer?

ANS: What about Windows 8 was well received?

QUESTION: Generate a question with a factual answer?

ANS:
Which epithet did Apollo have as god of music and arts?