Did M2 employ a art director , employ a cinematographer of M0 , and employ M3
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film M0 .
?x1 a ns:film.film_art_director .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M3
}