Question: Which unitary authority area in Yorkshire is supplied by Yorkshire Water and contains Scunthorpe?
Sentence (from "Yorkshire Water"): The company has its origins in the Yorkshire Water Authority, one of ten regional water authorities created by the Water Act 1973, and privatised under the terms of the Water Act 1989, when Yorkshire Water plc, the parent company of the Yorkshire Water business, was floated on the London Stock Exchange.
Relevant evidence: No