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