Complete the following sentence: Pietzsch also found great success at the FIL World Luge Championships with a total of six medals, including four gold (Men's doubles: 1983, 1985, 1987; Mixed team: 1990) and two bronzes (Men's doubles:
■■■■■■■■■■■■■■■■■■■■■■■■■■■■■ He also won three medals at the FIL European Luge Championships with two golds (Men's doubles and mixed team: both 1990) and one silver (Men's doubles: 1986).