Did M0 's writer and producer executive produce M1 , executive produce M2 , and executive produce M3
SELECT count(*) WHERE {
?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 M0 .
?x0 ns:film.writer.film M0
}