Did M1 , M2 , M3 , and M4 acquire a producer of M0
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
M1 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M2 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M3 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0 .
M4 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x0
}