Was M3 produced by a Chinese film director employed by M1
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.nationality ns:m.0d05w3 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}