Generate a question with a factual answer.
Generated: Which city in the mid-18th century became the center of an explosion of philosophic and scientific activity?

Generate a question with a factual answer.
Generated: What was the name of Apollo's sister?

Generate a question with a factual answer.
Generated: When was NCAZ opened?

Generate a question with a factual answer.
Generated: How much in yen did the Super Famicom cost in Japan?