QUESTION: Generate a question with a factual answer?

ANS: The German rocket center was located in what city?

QUESTION: Generate a question with a factual answer?

ANS: How much did Rebel Heart Tour grossed?

QUESTION: Generate a question with a factual answer?

ANS: How long was it after the birth of her child before she performed again?

QUESTION: Generate a question with a factual answer?

ANS:
What did the Germans expect to negotiate?