 Complete the following phrase:  On 34 December 1977, the track hosted the first Luge World Cup event won by Paul Hildgartner Italy - mens singles, Andrea Fendt West Germany - womens singles, and Italys Peter Gschnitzer and Karl Brunner mens doubles. Bobsleigh was added to the track in the 1970s in time for the track to host their sports championship event in 1979, the first time any track would host both bobsleigh and 