Did M2 employ M0 's editor , employ M3 and M4 , and employ a costume designer
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x1 a ns:film.film_costumer_designer .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person M4
}