Did M3 star M4 and M5 , star M6 , and star a male Italian film editor
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.03rjj .
M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
M3 ns:film.film.starring/ns:film.performance.actor M4 .
M3 ns:film.film.starring/ns:film.performance.actor M5 .
M3 ns:film.film.starring/ns:film.performance.actor M6
}