Were M2 and M4 acquired by M0 's American founder 's employer and acquired by M3
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:organization.organization_founder.organizations_founded M0 .
?x1 ns:people.person.nationality ns:m.09c7w0 .
M2 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company ?x0 .
M2 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3 .
M4 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company ?x0 .
M4 ns:organization.organization.acquired_by/ns:business.acquisition.acquiring_company M3
}