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