Find the number of vocal types used in song "Le Pop"
SELECT count(*) FROM vocals AS T1 JOIN songs AS T2 ON T1.songid  =  T2.songid WHERE title  =  "Le Pop"
SELECT count(*) FROM vocals AS T1 JOIN songs AS T2 ON T1.songid  =  T2.songid WHERE title  =  "Le Pop"
[{'count(*)': 0}]