Was M2 directed by M3 , executive produced by a Mexican film director , and directed by M4
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:people.person.nationality ns:m.0b90_r .
M2 ns:film.film.directed_by M3 .
M2 ns:film.film.directed_by M4 .
M2 ns:film.film.executive_produced_by ?x0
}