Was M2 a production company whose American employee edited and produced M0
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M2 a ns:film.production_company .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}