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