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