Claim: In the 1983 South African Grand Prix, United States' driver Danny Sullivan completed many laps, but United Kingdom's John Watson was disqualified early in the race.
Evidence: The 1983 South African Grand Prix was a Formula One motor race held at Kyalami on 15 October 1983. Pos United_States Danny Sullivan 75 John Watson, completing his last full Formula One season, was disqualified for overtaking other cars on the parade lap. United_Kingdom John Watson 18 Overtaking on Formation Lap