Question: What was the name of the Australian bred Thoroughbred racehorse who won Australia's most prestigious annual Thoroughbred horse race in 1950?
Sentence (from "Melbourne Cup"): It is a 3,200 metre race for three-year-olds and over, conducted by the Victoria Racing Club on the Flemington Racecourse in Melbourne, Victoria as part of the Melbourne Spring Racing Carnival.
Relevant evidence: No