CREATE TABLE ALBUM (ArtistId VARCHAR2, Title VARCHAR2)
CREATE TABLE ARTIST (Name VARCHAR2, ArtistId VARCHAR2)

Which artist does the album 'Balls to the Wall' belong to?
SELECT T2.Name FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId = T2.ArtistId WHERE T1.Title = "Balls to the Wall"
SELECT "T2"."Name" FROM "ALBUM" "T1" JOIN "ARTIST" "T2" ON "T1"."ArtistId" = "T2"."ArtistId" WHERE "Balls to the Wall" = "T1"."Title"