Was a executive producer of M0 , M1 , and M2 a star , executive producer , and producer of M3
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M3 .
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.producer.films_executive_produced M3 .
?x0 ns:film.producer.film|ns:film.production_company.films M3
}