Matches in DBpedia 2015-10 for { ?s ?p "The 1974 USAC Championship Car season consisted of 14 races, beginning in Ontario, California on March 3 and concluding in Avondale, Arizona on November 2. The USAC National Champion was Bobby Unser and the Indianapolis 500 winner was Johnny Rutherford. Due to the events of the 1973 Indianapolis 500 significant improvements were made to the cars for safety concerns."@en }
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- 1974_USAC_Championship_Car_season comment "The 1974 USAC Championship Car season consisted of 14 races, beginning in Ontario, California on March 3 and concluding in Avondale, Arizona on November 2. The USAC National Champion was Bobby Unser and the Indianapolis 500 winner was Johnny Rutherford. Due to the events of the 1973 Indianapolis 500 significant improvements were made to the cars for safety concerns.".