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