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