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