Did a employer of a Japanese art director employ M0 and M1
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x1 a ns:film.film_art_director .
?x1 ns:people.person.nationality ns:m.03_3d
}