Did M2 found M3 and M4 and found a American person 's employer
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 a ns:people.person .
?x1 ns:people.person.nationality ns:m.09c7w0 .
M2 ns:organization.organization_founder.organizations_founded ?x0 .
M2 ns:organization.organization_founder.organizations_founded M3 .
M2 ns:organization.organization_founder.organizations_founded M4
}