Did a film 's executive producer , editor , and writer executive produce M1 and M2 and write M0
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.writer.film ?x1 .
?x0 ns:film.writer.film M0 .
?x1 a ns:film.film
}