Which Sacramento Kings player who won four player of the year awards also played at the seventh annual Diamond Head Classic?
2015 Diamond Head Classic: The 2015 Diamond Head Classic was a mid-season eight-team college basketball tournament that was played on December 22, 23, and 25 at the Stan Sheriff Center in Honolulu, Hawaii. 2015 Diamond Head Classic:  It was the seventh annual Diamond Head Classic tournament and was part of the 2015–16 NCAA Division I men's basketball season. 2015 Diamond Head Classic:  Buddy Hield was named the tournament's MVP. Buddy Hield:  He was named the Big 12 Conference Men's Basketball Player of the Year in 2015 and 2016, and in 2016, he received four major national player of the year awards—the John R. Wooden Award, the Naismith Award, "Sporting News" Player of the Year, and the Oscar Robertson Trophy.
i don't know