Did M1 employ a film 's executive producer and art director and employ M2 and M3
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x1 a ns:film.film .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person M3
}