What team is on home ground at the stadium where the Grand Final of the 2012 Championship was played?
2012 Championship 1 season results:  The 2012 season started on 11 March and ends on 30 September with the Grand Final at the Halliwell Jones Stadium in Warrington. Halliwell Jones Stadium: The Halliwell Jones Stadium is a rugby league stadium in Warrington, England, which is the home ground of Warrington Wolves.
Warrington Wolves