Question: What material is the trophy the Current holders who play their home games at Bridgestone Area, made of?
Sentence (from "Duke of York Young Champions Trophy"): First played in 2001, the Duke of York Young Champions Trophy is a unique, international 54-hole stroke play golf tournament for boys and girls who are either the current holders of their Under 18 National Championship or have won some other major golfing event in the preceding twelve months.
Relevant evidence: No