Problem: What is the question to: "It was first recorded by Louis Armstrong and released as a single in 1967."? The topic is What a Wonderful World.

A: "who sang what a wonderful world?"

Problem: What is the question to: "Memphis had a population of 672,277 in 2011 making it the largest city in the state of Tennessee , the largest city on the Mississippi River , the third largest in the Southeastern United States , and the 20th largest in the United States."? The topic is Memphis, Tennessee.

A: "how many people live in memphis tennessee?"

Problem: What is the question to: "Overall, there were an estimated 254.4 million registered passenger vehicles in the United States according to a 2007 DOT study."? The topic is Passenger vehicles in the United States.

A: "how many vehicles are registered in the us?"

Problem: What is the question to: "The name Fiona was invented, and first used, by the Scottish poet James Macpherson (173696), author of the Ossian poems, which he claimed were translations from ancient Gaelic sources (sources, when challenged, he never produced)."? The topic is Fiona.

A:
"what is the origin of fiona?"