What film distributor employed M2 , M3 , and M4 , employed M5 and M6 , and was founded by M1
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M4 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M5 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M6 .
?x0 ns:organization.organization.founders M1
}