Generate a question with a factual answer.
Generated: What made power distribution economically viable in Edison's lamp?

Generate a question with a factual answer.
Generated: What was cotton called in the 19th century?

Generate a question with a factual answer.
Generated: What policy guaranteed that characters have a unique and immutable name?

Generate a question with a factual answer.
Generated: At what storage point is R/O water production meant to be used?