Was a production company that a costume designer and star of M0 was employed by and M3 was employed by M1
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x0 ns:film.film_costumer_designer.costume_design_for_film M0 .
M1 a ns:film.production_company .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person M3
}