Question: In which year was this British racing car manufacturer founded that built a vehicle Australian Jack Brabham drove during the 18th BRDC International Trophy?
Sentence (from "Brabham"): Founded in 1960 by two Australians, driver Jack Brabham and designer Ron Tauranac, the team won four Drivers' and two Constructors' World Championships in its 30-year Formula One history.
Relevant evidence: Yes