QUESTION: Generate a question with a factual answer?

ANS: Which type of vault can be used for rectangular and trapezoidal shaped roofs?

QUESTION: Generate a question with a factual answer?

ANS: How many votes were cast for contestants in the first season?

QUESTION: Generate a question with a factual answer?

ANS: What kind of schools did samurai start?

QUESTION: Generate a question with a factual answer?

ANS:
Which band was he largest benefit concert in history about?