Was a film director a film director that M0 and M1 were written by , directed by , and executive produced by
SELECT count(*) WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.director.film M1 .
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.writer.film M0 .
?x0 ns:film.writer.film M1
}