Did M1 and M4 found a production company , found M2 and M3 , and found a production company
SELECT count(*) WHERE {
?x0 a ns:film.production_company .
?x1 a ns:film.production_company .
M1 ns:organization.organization_founder.organizations_founded ?x0 .
M1 ns:organization.organization_founder.organizations_founded ?x1 .
M1 ns:organization.organization_founder.organizations_founded M2 .
M1 ns:organization.organization_founder.organizations_founded M3 .
M4 ns:organization.organization_founder.organizations_founded ?x0 .
M4 ns:organization.organization_founder.organizations_founded ?x1 .
M4 ns:organization.organization_founder.organizations_founded M2 .
M4 ns:organization.organization_founder.organizations_founded M3
}