Did M1 , M5 , M6 , and M7 found M2 and M3 , found a company , and found M4
SELECT count(*) WHERE {
?x0 a ns:business.employer .
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 .
M5 ns:organization.organization_founder.organizations_founded ?x0 .
M5 ns:organization.organization_founder.organizations_founded M2 .
M5 ns:organization.organization_founder.organizations_founded M3 .
M5 ns:organization.organization_founder.organizations_founded M4 .
M6 ns:organization.organization_founder.organizations_founded ?x0 .
M6 ns:organization.organization_founder.organizations_founded M2 .
M6 ns:organization.organization_founder.organizations_founded M3 .
M6 ns:organization.organization_founder.organizations_founded M4 .
M7 ns:organization.organization_founder.organizations_founded ?x0 .
M7 ns:organization.organization_founder.organizations_founded M2 .
M7 ns:organization.organization_founder.organizations_founded M3 .
M7 ns:organization.organization_founder.organizations_founded M4
}