Was a film that was written by , was edited by , and starred M1 edited by and written by M2
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.edited_by M1 .
?x0 ns:film.film.edited_by M2 .
?x0 ns:film.film.starring/ns:film.performance.actor M1 .
?x0 ns:film.film.written_by M1 .
?x0 ns:film.film.written_by M2
}