Was M4 edited by M0 's editor , edited by a director of M2 and M3 , and edited by M1 's star
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x1 ns:film.actor.film/ns:film.performance.film M1 .
?x2 ns:film.director.film M2 .
?x2 ns:film.director.film M3 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.edited_by ?x2
}