<prompt> Pedzisa mutsara unotevera: Gibson akasarudzwa nokuda kworwendo rwake rwechishanu rweShumba muna  <response>: 1977, achienzanisa chinyorwa chomumwe muIrish Willie John McBride. Zvisinei, zvinetso zvapashure nezvemakumbo zvaireva kuti Gibson aisagona kukwikwidza nzvimbo yokuedza. 