Were M1 , M5 , and M6 edited by M3 and M4 , written by M2 , and directed by a screenwriter
SELECT count(*) WHERE {
?x0 a ns:film.writer .
M1 ns:film.film.directed_by ?x0 .
M1 ns:film.film.edited_by M3 .
M1 ns:film.film.edited_by M4 .
M1 ns:film.film.written_by M2 .
M5 ns:film.film.directed_by ?x0 .
M5 ns:film.film.edited_by M3 .
M5 ns:film.film.edited_by M4 .
M5 ns:film.film.written_by M2 .
M6 ns:film.film.directed_by ?x0 .
M6 ns:film.film.edited_by M3 .
M6 ns:film.film.edited_by M4 .
M6 ns:film.film.written_by M2
}