Were M2 and M4 written by M3 , directed by a actor , and edited by a screenwriter
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x1 a ns:film.actor .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.written_by M3 .
M4 ns:film.film.directed_by ?x1 .
M4 ns:film.film.edited_by ?x0 .
M4 ns:film.film.written_by M3
}