Did M4 employ M0 's star , employ M5 , and employ a director of M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x1 ns:film.director.film M1 .
?x1 ns:film.director.film M2 .
?x1 ns:film.director.film M3 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person M5
}