QUESTION: Generate a question with a factual answer?

ANS: What year was the building finished?

QUESTION: Generate a question with a factual answer?

ANS: Low insect sounds are made by the insect's what?

QUESTION: Generate a question with a factual answer?

ANS: Who theorized that blood traveled through the veins?

QUESTION: Generate a question with a factual answer?

ANS:
What are space suits an example of a solution to?