Input question: With a 2008 Census population estimate of 173,000 residents, what is the capital of Mississippi?

Output answer: jackson

Input question: Who made the album Captain Fantastic and the Brown Dirt Cowboy

Output answer: elton john

Input question: What was the name of the famous steam locomotive built by Robert Stephenson and Company in 1829?

Output answer: rocket

Input question: 'Petrology' is the study of the origin, structure and composition of what?

Output answer:
rocks