Were M2 , M3 , and M4 written by a actor and directed by a director and editor of M1
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x1 ns:film.director.film M1 .
?x1 ns:film.editor.film M1 .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.written_by ?x0 .
M3 ns:film.film.directed_by ?x1 .
M3 ns:film.film.written_by ?x0 .
M4 ns:film.film.directed_by ?x1 .
M4 ns:film.film.written_by ?x0
}