Were M1 , M4 , M5 , and M6 edited by M3 , written by a art director , and executive produced by M2
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
M1 ns:film.film.edited_by M3 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.written_by ?x0 .
M4 ns:film.film.edited_by M3 .
M4 ns:film.film.executive_produced_by M2 .
M4 ns:film.film.written_by ?x0 .
M5 ns:film.film.edited_by M3 .
M5 ns:film.film.executive_produced_by M2 .
M5 ns:film.film.written_by ?x0 .
M6 ns:film.film.edited_by M3 .
M6 ns:film.film.executive_produced_by M2 .
M6 ns:film.film.written_by ?x0
}