Did a employer of a actor employ M1 's star and art director
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
?x1 a ns:film.actor .
?x2 ns:film.actor.film/ns:film.performance.film M1 .
?x2 ns:film.film_art_director.films_art_directed M1
}