Generate a question with a factual answer.
Generated: What is the east-west waterway near Nanjing?

Generate a question with a factual answer.
Generated: What was the problem with manufacturing the tungsten filament?

Generate a question with a factual answer.
Generated: What are some of the schemes used to defraud the health care system?

Generate a question with a factual answer.
Generated: The 10 billion logical data records are linked to how many artifacts?