Question: The 1965 Italian Grand Prix (formally the XXXVI Gran Premio d'Italia), was a Formula One motor race held at Monza, on 12 September 1965, the preceding retirement of which Ferrari driver, an English Grand Prix motorcycle road racer and Formula One driver, helped ensured that Dan Gurney of the Brabham-Climax team picked up the final position on the podium?
Sentence (from "1965 German Grand Prix"): The victory ensured that Clark won the World Championship of Drivers with three races left to go.
Relevant evidence: No