Was M1 edited by M2 , M3 , and M4 , directed by M5 and M6 , and edited by a director of M0
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
M1 ns:film.film.directed_by M5 .
M1 ns:film.film.directed_by M6 .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.edited_by M2 .
M1 ns:film.film.edited_by M3 .
M1 ns:film.film.edited_by M4
}