What did M0 , M1 , M2 , and M3 executive produce and M4 's director 's employer produce
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.executive_produced_by M0 .
?x0 ns:film.film.executive_produced_by M1 .
?x0 ns:film.film.executive_produced_by M2 .
?x0 ns:film.film.executive_produced_by M3 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x2 ns:film.director.film M4
}