CREATE TABLE songs (songid NUMBER, title CLOB)
CREATE TABLE performance (songid NUMBER, bandmate NUMBER, stageposition CLOB)
CREATE TABLE instruments (songid NUMBER, bandmateid NUMBER, instrument CLOB)
CREATE TABLE albums (aid NUMBER, title CLOB, year NUMBER, label CLOB, type CLOB)
CREATE TABLE tracklists (albumid NUMBER, position NUMBER, songid NUMBER)
CREATE TABLE band (id NUMBER, firstname CLOB, lastname CLOB)
CREATE TABLE vocals (songid NUMBER, bandmate NUMBER, type CLOB)

What are all the instruments used by the musician with the last name 'Heilo'?
SELECT instrument FROM instruments AS T1 JOIN band AS T2 ON T1.bandmateid = T2.id WHERE T2.lastname = "Heilo"
SELECT "instrument" FROM "instruments" "T1" JOIN "band" "T2" ON "Heilo" = "T2"."lastname" AND "T1"."bandmateid" = "T2"."id"