Which production company that was founded by M1 , M2 , and M3 and employed M6 did M4 and M5 found
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.production_company .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M6 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
?x0 ns:organization.organization.founders M3 .
?x0 ns:organization.organization.founders M4 .
?x0 ns:organization.organization.founders M5
}