Did M3 employ a Chinese male film director and employ M4
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:people.person.gender ns:m.05zppz .
?x0 ns:people.person.nationality ns:m.0d05w3 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person M4
}