Was M2 edited by a person , directed by M1 's actor , and directed by M3 and M4
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 ns:film.actor.film/ns:film.performance.character M1 .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.directed_by M4 .
M2 ns:film.film.edited_by ?x0
}