Was M1 written by M2 , M3 , M4 , M5 , M6 , and M7 and edited by a actor
SELECT count(*) WHERE {
?x0 a ns:film.actor .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.written_by M2 .
M1 ns:film.film.written_by M3 .
M1 ns:film.film.written_by M4 .
M1 ns:film.film.written_by M5 .
M1 ns:film.film.written_by M6 .
M1 ns:film.film.written_by M7
}