Did M3 employ a male actor of M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:people.person.gender ns:m.05zppz .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}