Was M1 a production company that M0 's producer and executive producer was employed by
SELECT count(*) WHERE {
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
M1 a ns:film.production_company .
M1 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}