Did M3 edit M4 and M5 and produce a film that M1 and M2 directed
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.directed_by M1 .
?x0 ns:film.film.directed_by M2 .
M3 ns:film.editor.film M4 .
M3 ns:film.editor.film M5 .
M3 ns:film.producer.film|ns:film.production_company.films ?x0
}