Was M2 edited by a Mexican executive producer of M0 and directed by M3
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:people.person.nationality ns:m.0b90_r .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.edited_by ?x0
}