Did M2 found M3 and M4 , found M1 's employer , and found a production company
SELECT count(*) WHERE {
?x0 a ns:film.production_company .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
M2 ns:organization.organization_founder.organizations_founded ?x0 .
M2 ns:organization.organization_founder.organizations_founded ?x1 .
M2 ns:organization.organization_founder.organizations_founded M3 .
M2 ns:organization.organization_founder.organizations_founded M4
}