<prompt> Pedzisa mutsara unotevera: Somutambi mumwe chete, Coulthard akakunda menduru yesirivha paGolden Spin yeZagreb muna 1977 uye zita renyika yeAustralia mumwaka wa1979-1980. Akapedza ari wechi28 pa 1979 World Championships muVienna, Austria, uye ari wechi24 pa  <response>: 1980 World Championships muDortmund, West Germany. Australia yakasarudza kusamutumira kumaOlympics a1980, zvichitungamira kuchisarudzo chake chekuchinjira pakudzidzisa. 