Were M5 and M6 produced by a employee of M0 , M1 , M2 , M3 , and M4
SELECT count(*) WHERE {
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
?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 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
M5 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M6 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}