Was a Chinese film director employed by M1 and employed by M2
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x0 ns:people.person.nationality ns:m.0d05w3
}