Question: Hylton Riverside is a large retail park that hosts a business founded when 50 JJB Sports Fitness Clubs and the attached retail stores were purchased by who?
Sentence (from "Castletown, Sunderland"): At Hylton Riverside, on the eastern fringe of Castletown, there is a large retail park hosting stores such as Matalan, Costa Coffee, Aldi and Pets at Home, Premier Inn and a DW Sports Fitness gym.
Relevant evidence: Yes