Did M2 and M3 star a film producer 's employee and star M0 's director and producer
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x2 a ns:film.producer .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor ?x1 .
M3 ns:film.film.starring/ns:film.performance.actor ?x0 .
M3 ns:film.film.starring/ns:film.performance.actor ?x1
}