Which employee of a film 's producer was a Mexican parent of M1
SELECT DISTINCT ?x0 WHERE {
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.nationality ns:m.0b90_r .
?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
?x2 a ns:film.film
}