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

What instruments did the musician with the last name 'Heilo' play in the song 'Le Pop'?
SELECT T4.instrument FROM performance AS T1 JOIN band AS T2 ON T1.bandmate = T2.id JOIN songs AS T3 ON T3.songid = T1.songid JOIN instruments AS T4 ON T4.songid = T3.songid AND T4.bandmateid = T2.id WHERE T2.lastname = "Heilo" AND T3.title = "Le Pop"
SELECT "T4"."instrument" FROM "performance" "T1" JOIN "band" "T2" ON "Heilo" = "T2"."lastname" AND "T1"."bandmate" = "T2"."id" JOIN "songs" "T3" ON "Le Pop" = "T3"."title" AND "T1"."songid" = "T3"."songid" JOIN "instruments" "T4" ON "T2"."id" = "T4"."bandmateid" AND "T3"."songid" = "T4"."songid"