Were M3 and M4 founded by a American founder of M0 and M1
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M3 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x0
}