Task: Text to Code
Input (English): SQL: SELECT T2.Type FROM Band AS T1 JOIN Vocals AS T2 ON T1.Id = T2.Bandmate WHERE T1.Lastname = "Heilo"
Feedback: Also add songs table in step 1 , also make sure title equals Der Kapitan .
Output (English): SELECT TYPE FROM vocals AS T1 JOIN songs AS T2 ON T1.songid  =  T2.songid JOIN band AS T3 ON T1.bandmate  =  T3.id WHERE T3.lastname  =  "Heilo" AND T2.title  =  "Der Kapitan"