Generate a question with a factual answer.
Generated: How long did Ronaldo remain with Barcelona?

Generate a question with a factual answer.
Generated: If a scientist didn't want to use an acid-fast staining technique, what type of microscopy could they use instead?

Generate a question with a factual answer.
Generated: In which century did "culture" as a central concept of American anthropology emerge?

Generate a question with a factual answer.
Generated: How old was Gladstone after the general election in 1892?