Were M4 and M5 distributed by a film distributor that was acquired by M1 and M2 and was acquired by M3
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
?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 .
M4 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x0 .
M5 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x0
}