Generate a question with a factual answer.
Generated: Who first used the term Irano-Aryan?

Generate a question with a factual answer.
Generated: Approximately how many people visited New Jersey's casinos in 2011?

Generate a question with a factual answer.
Generated: Why are high-index glasses valued?

Generate a question with a factual answer.
Generated: What was the plane named that crashed into the World Trade Center?