Which production company whose employee and founder directed M2 and directed M3 and M4 did M1 found
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.production_company .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:organization.organization.founders ?x1 .
?x0 ns:organization.organization.founders M1 .
?x1 ns:film.director.film M2 .
?x1 ns:film.director.film M3 .
?x1 ns:film.director.film M4
}