Question: Stuart Diver was the sole survivor of the 1997 Thredbo landslide that occurred in what country?
Sentence (from "Survivor Japan: Palau"): The original tribes for this season were named Bekeu (ベケウ , Bekeu ) and Deleb (デレブ , Derebu ) , and the merge tribe was named Sage Sils (シルス賢者 , Shirusu Kenja ) .
Relevant evidence: No