<prompt> Lungiselela impendulo yalo mbuzo oyinkimbinkimbi: Umdlali webhasikidi waseMelika osewuthathe umhlalaphansi uWalt Williams wafunda kulesi sikhungo ngo-1988 esikuyiphi inhlangano namuhla?  <response>: Ingqungquthela Yezizwe Eziyishumi Ezinkulu 