Did M2 and M3 employ a producer and editor of M0 and employ a actor
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x1 a ns:film.actor .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x1
}