Did M1 found a production company , found M2 , found M3 , and found M4
SELECT count(*) WHERE {
?x0 a ns:film.production_company .
M1 ns:organization.organization_founder.organizations_founded ?x0 .
M1 ns:organization.organization_founder.organizations_founded M2 .
M1 ns:organization.organization_founder.organizations_founded M3 .
M1 ns:organization.organization_founder.organizations_founded M4
}