Was M2 's producer acquired by M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M2 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M0 .
?x0 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M1
}