Was a film distributor acquired by M2 , acquired by M3 and M4 , and acquired by M5 and M6 M0
SELECT count(*) WHERE {
M0 a ns:film.film_distributor .
M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M2 .
M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3 .
M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M4 .
M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M5 .
M0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M6
}