Who was a Chinese screenwriter whose employer produced M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.writer .
?x0 a ns:people.person .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.nationality ns:m.0d05w3 .
?x1 ns:film.producer.film|ns:film.production_company.films M3
}