Did a producer of M0 executive produce and edit a film that M2 wrote
SELECT count(*) WHERE {
?x0 ns:film.editor.film ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x1 a ns:film.film .
?x1 ns:film.film.written_by M2
}