Was M3 edited by M4 , directed by a screenwriter , and executive produced by M1 's Mexican editor
SELECT count(*) WHERE {
?x0 ns:film.editor.film M1 .
?x0 ns:people.person.nationality ns:m.0b90_r .
?x1 a ns:film.writer .
M3 ns:film.film.directed_by ?x1 .
M3 ns:film.film.edited_by M4 .
M3 ns:film.film.executive_produced_by ?x0
}