In this task you are given a question. You need to generate an answer to the question.
Example: Question:Who was the man behind The Chipmunks?
Example solution: David Seville
Example explanation: David Seville was the man behind the Chipmunks.

Problem: Question:What word's original meaning was to do with the provison of granite chips onto the ground and then made into a hard and smooth surface using a roller?

Solution: Danube