Did M1 employ M2 and employ a film 's costume designer and director
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.film_costumer_designer.costume_design_for_film ?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
}