Did M2 and M3 employ a film 's cinematographer and employ M1 's director
SELECT count(*) WHERE {
?x0 ns:film.cinematographer.film ?x1 .
?x1 a ns:film.film .
?x2 ns:film.director.film M1 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M3 ns:business.employer.employees/ns:business.employment_tenure.person ?x2
}