Was M2 produced by M1 's Mexican star 's employer and produced by M3 and M4
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:film.actor.film/ns:film.performance.film M1 .
?x1 ns:people.person.nationality ns:m.0b90_r .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M2 ns:film.film.produced_by|ns:film.film.production_companies M3 .
M2 ns:film.film.produced_by|ns:film.film.production_companies M4
}