Was M0 a art director that was employed by M2 , M3 , and M4 and was employed by M5
SELECT count(*) WHERE {
M0 a ns:film.film_art_director .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
M0 ns:people.person.employment_history/ns:business.employment_tenure.company M5
}