Question: In which year was this Australian media personality, sports commentator, and former Australian rules football player, who appeared in a humorous TV advertising campaign by Meat and Livestock Australia mentioning the word "un-Australian," born?
Sentence (from "Sam Kekovich"): Sam Kekovich (born 11 March 1950) is an Australian media personality, sports commentator, Australian 'Lambassador' and former Australian rules football player.
Relevant evidence: Yes