What producer of M6 was acquired by M0 , M1 , M2 , M3 , M4 , and M5
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M6 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M0 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M4 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M5
}