 Complete the following phrase:  Tom Belsø became the first Danish Formula One driver when he was entered in the 1973 Swedish Grand Prix, however only participated in practice before handing the car over to Howden Ganley. His race debut came at the 1974 South African Grand Prix, where he ended up retiring on the first lap with clutch issues. He entered 3 further races, all in the season, with the only other start and sole finish coming in 