Question: The III Grote Prijs van Danske (or 3rd Danish Grand Prix), was held on 25–26 August 1962, at the Roskilde Ring circuit, Roskilde, Denmark, the race was run over three heats, one of 20 laps and two of 30 laps, and was won overall by Sir John Arthur Brabham, was an Australian racing driver who was Formula One World Champion, he all three heats in his what?
Sentence (from "1949 BRDC International Trophy"): The race meeting was attended by over 100,000 people, but was marred by the death of St. John Horsfall in an accident on the 13th lap of the final race.
Relevant evidence: No