Did a company acquire M1 , M2 , and M3 and acquire a production company
SELECT count(*) WHERE {
?x0 a ns:business.employer .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired ?x1 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M1 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M2 .
?x0 ns:organization.organization.companies_acquired/ns:business.acquisition.company_acquired M3 .
?x1 a ns:film.production_company
}