Did M1 and M2 employ a producer , director , and editor of M0
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}