Was M3 directed by M4 , written by a film director , and executive produced by a Mexican film editor
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?x0 ns:people.person.nationality ns:m.0b90_r .
?x1 a ns:film.director .
M3 ns:film.film.directed_by M4 .
M3 ns:film.film.executive_produced_by ?x0 .
M3 ns:film.film.written_by ?x1
}