Was a founder of a employer of M1 , M2 , M3 , and M4 M0 's producer
SELECT count(*) WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M4
}