Was M4 directed by a Mexican American film producer that produced M3
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.producer.film|ns:film.production_company.films M3 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x0 ns:people.person.nationality ns:m.0b90_r .
M4 ns:film.film.directed_by ?x0
}