Was M1 M0 's art director 's country of nationality 's employee 's employer
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 ^ns:people.person.nationality ?x2 .
?x2 ns:film.film_art_director.films_art_directed M0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}