QUESTION: Generate a question with a factual answer?

ANS: How much did a BeiDou-1 ground terminal cost in 2008?

QUESTION: Generate a question with a factual answer?

ANS: What did Martin Luther post on the castle church of Wittenberg?

QUESTION: Generate a question with a factual answer?

ANS: What else did freed slaves face in postwar Charleston besides discrimination?

QUESTION: Generate a question with a factual answer?

ANS:
What did 'Plym Mouth' mean?