Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE vocals ( songid VARCHAR, bandmate VARCHAR )
TABLE: CREATE TABLE band ( id VARCHAR, lastname VARCHAR )
TABLE: CREATE TABLE songs ( songid VARCHAR, title VARCHAR )

### Question ###
Which vocal type did the musician with last name 'Heilo' played in the song with title 'Der Kapitan'?

### Accurate SQL ###

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"