QUESTION: Generate a question with a factual answer?

ANS: Since what year has production of solar cells in China expanded 100-fold?

QUESTION: Generate a question with a factual answer?

ANS: Where are music students educated

QUESTION: Generate a question with a factual answer?

ANS: how long was phuture's "acid tracks"?

QUESTION: Generate a question with a factual answer?

ANS:
Pepsi paid Beyonce how much in 2012 for her endorsement?