What is the nationality of the soccer player who was the head coach of the under-21 football team that has been playing since 1976?
Keld Bordinggaard Keld Tande Bordinggard (born November 22, 1962) is a Danish former football (soccer) player. He was the head coach of the Danish national under-21 team from July 2006 until the U21 European Championship in June 2011. As a player, he most notably played professionally for Danish clubs Odense Boldklub and Silkeborg IF, both with whom he won the Danish football championship. Keld Bordinggaard played four games for the Danish national team from 1983 to 1990.
David Zdrilic David Allen Zdrilic (Croatian: "Zdrilić" , ] ) (born 13 April 1974) is an Australian soccer coach and former player, who is currently assistant coach of the under-17 team of RB Leipzig.