What company that employed M2 did M3 's director and art director found and M1 found
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:business.employer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders M1 .
?x1 ns:film.director.film M3 .
?x1 ns:film.film_art_director.films_art_directed M3
}