Was a production company whose employee executive produced M2 and produced M3 and M4 a film producer
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 a ns:film.production_company .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:film.producer.films_executive_produced M2 .
?x1 ns:film.producer.film|ns:film.production_company.films M3 .
?x1 ns:film.producer.film|ns:film.production_company.films M4
}