an Entity references as follows:
Josef "Jupp" Derwall (10 March 1927 – 26 June 2007) was a German professional football manager and former player. He was head coach of the West Germany national team between 1978 and 1984, winning the UEFA Euro 1980 and reaching the final of the 1982 FIFA World Cup. Derwall's hairdo provided the basis for his nickname "Chieftain Silver Curl" (Häuptling Silberlocke).