Were M2 and M4 founded by a production company 's American founder and founded by M3
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
?x1 a ns:film.production_company .
M2 ns:organization.organization.founders ?x0 .
M2 ns:organization.organization.founders M3 .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders M3
}