Did M2 and M3 edit and executive produce a film that M1 executive produced and wrote
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.executive_produced_by M1 .
?x0 ns:film.film.written_by M1 .
M2 ns:film.editor.film ?x0 .
M2 ns:film.producer.films_executive_produced ?x0 .
M3 ns:film.editor.film ?x0 .
M3 ns:film.producer.films_executive_produced ?x0
}