Was a costume designer that M1 starred and was executive produced by employed by M2
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2
}