Find the titles of all the albums of the artist AC/DC?
SELECT Title FROM ALBUM AS T1 JOIN ARTIST AS T2 ON T1.ArtistId   =   T2.ArtistId WHERE T2.Name   =   "AC/DC"
titles of all the albums refers to SELECT Title; of the artist AC/DC refers to WHERE T2.Name = \"AC/DC\"; JOIN operation to match albums with their respective artist.