Was M1 executive produced by M2 and M3 , written by a film director , and edited by a film director
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x1 a ns:film.director .
M1 ns:film.film.edited_by ?x1 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.written_by ?x0
}