Was M1 produced by M0 's employee 's employer
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}