Was M3 a art director whose employer was founded by M0 and M1 and was founded by M2
SELECT count(*) WHERE {
?x0 ns:organization.organization.founders M0 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
M3 a ns:film.film_art_director .
M3 ns:people.person.employment_history/ns:business.employment_tenure.company ?x0
}