QUESTION: Generate a question with a factual answer?

ANS: Which portion the cathedral was the reconstruction of the great Church of Saint-Denis begun?

QUESTION: Generate a question with a factual answer?

ANS: Who wrote the book Contrasts?

QUESTION: Generate a question with a factual answer?

ANS: The first electric elevator, built in 1880, was in what Country?

QUESTION: Generate a question with a factual answer?

ANS:
What was Diogo Cao's nationality?