Did M0 's American employee play M2 , M3 , and M4
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M2 .
?x0 ns:film.actor.film/ns:film.performance.character M3 .
?x0 ns:film.actor.film/ns:film.performance.character M4 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?x0 ns:people.person.nationality ns:m.09c7w0
}