Did a film producer that M2 was written and executive produced by edit and executive produce M1
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:film.editor.film M1 .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.producer.films_executive_produced M2 .
?x0 ns:film.writer.film M2
}