What employer of a art director did a film director found and M0 found
SELECT DISTINCT ?x0 WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?x0 ns:organization.organization.founders M0 .
?x1 a ns:film.film_art_director .
?x2 a ns:film.director
}