Generate a question with a factual answer.
Generated: What was used to fill a mill pond that became the Haymarket Square?

Generate a question with a factual answer.
Generated: What company's property did Libya nationalize in December of 1971?

Generate a question with a factual answer.
Generated: What language became dominant in Bohemia after the Czech's defeat?

Generate a question with a factual answer.
Generated: What rule predicted narrow range of energy values at lower temperatures?