Were M3 and M5 founded by M1 's American founder , founded by M0 's employee , and founded by M4
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x1 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:people.person.nationality ns:m.09c7w0 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders ?x1 .
M3 ns:organization.organization.founders M4 .
M5 ns:organization.organization.founders ?x0 .
M5 ns:organization.organization.founders ?x1 .
M5 ns:organization.organization.founders M4
}