 Complete the following phrase:  In the third race of the 1977 Formula One season, the South African Grand Prix, he managed to complete the race distance, scored a point, and took his first ever fastest lap. His achievements were overshadowed, however, by the deaths of driver Tom Pryce and a track marshal, Jansen Van Vuuren. His Brabham-Alfa Romeo let him down throughout the season but, despite this, he gained his first pole position in the 