Was M4 edited by a actor , written by M0 's star , and edited by M2 's American employee
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x1 a ns:film.actor .
?x2 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x2 ns:people.person.nationality ns:m.09c7w0 .
M4 ns:film.film.edited_by ?x1 .
M4 ns:film.film.edited_by ?x2 .
M4 ns:film.film.written_by ?x0
}