How many instrument does the musician with last name "Heilo" use?
SELECT count(DISTINCT instrument) FROM instruments AS T1 JOIN Band AS T2 ON T1.bandmateid  =  T2.id WHERE T2.lastname  =  "Heilo"
SELECT count(DISTINCT instrument) FROM instruments AS T1 JOIN Band AS T2 ON T1.bandmateid  =  T2.id WHERE T2.lastname  =  "Heilo"
[{'count(DISTINCT instrument)': 0}]