 Complete the following phrase:  Tagwerker also won three gold medals in the mixed team event at the FIL World Luge Championships 1996, 1997, 1999 as well as silver medal in the mixed team event at the FIL World Luge Championships 1991. She won two medals in the womens singles event at the FIL European Luge Championships with a silver in 1998 and a bronze in 1996 as well as four medals in the mixed team event with two silvers in 