Task: Text to Code
Input (English): Step 1: For each row in Instruments table, find corresponding rows in Songs table and in Band table.
Step 2: find Firstname, Lastname of the results of step 1 whose Title equals Der Kapitan
Output (English): SELECT T2.Firstname , T2.Lastname FROM Songs AS T1 JOIN Band AS T2 JOIN Instruments AS T3 ON T1.SongId = T3.SongId AND T3.BandmateId = T2.Id WHERE T1.Title = "Der Kapitan"