CREATE TABLE mountain (Name VARCHAR2, Mountain_ID VARCHAR2)
CREATE TABLE climber (Mountain_ID VARCHAR2, Country VARCHAR2)

Show the distinct names of mountains climbed by climbers from country 'West Germany'.
SELECT DISTINCT T2.Name FROM climber AS T1 JOIN mountain AS T2 ON T1.Mountain_ID = T2.Mountain_ID WHERE T1.Country = "West Germany"
SELECT DISTINCT "T2"."Name" FROM "climber" "T1" JOIN "mountain" "T2" ON "T1"."Mountain_ID" = "T2"."Mountain_ID" WHERE "T1"."Country" = "West Germany"