Was M4 produced by a person that M1 , M2 , and M3 employed and edited by M5
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
M4 ns:film.film.edited_by M5 .
M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}