Did M3 employ a art director , employ a Swedish actor , and employ M4
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:people.person.nationality ns:m.0d0vqn .
?x1 a ns:film.film_art_director .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person M4
}