QUESTION: Generate a question with a factual answer?

ANS: How many phases of matter are there?

QUESTION: Generate a question with a factual answer?

ANS: Of what dynasty was Otto I a member?

QUESTION: Generate a question with a factual answer?

ANS: In what area did the Chola Empire establish political unity?

QUESTION: Generate a question with a factual answer?

ANS:
What were the pillboxes and bunkers connected by?