Did M1 found M2 , found M3 , and found M0 's country of nationality
SELECT count(*) WHERE {
?x0 ^ns:people.person.nationality 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
}