Did a Chinese screenwriter that M1 employed and was founded by produce M3
SELECT count(*) WHERE {
?x0 a ns:film.writer .
?x0 ns:film.producer.film|ns:film.production_company.films M3 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.nationality ns:m.0d05w3
}