Question: This single-decker bus body was built for the VDL SB200 lightweight single-decker bus chassis by a coachbuilder that was established in what year?
Sentence (from "Wrightbus"): Wrightbus is a Northern Irish coachbuilder and pioneer of the low-floor bus based in Northern Ireland; it was established in 1946 by Robert Wright and currently run by his son William Wright.
Relevant evidence: Yes