Did M1 and M6 found M2 , found M0 's employer , and found M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
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 .
M1 ns:organization.organization_founder.organizations_founded M5 .
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 .
M6 ns:organization.organization_founder.organizations_founded M5
}