Was M1 written by a character , written by M2 , M3 , and M4 , and produced by M5 and M6
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
M1 ns:film.film.produced_by|ns:film.film.production_companies M5 .
M1 ns:film.film.produced_by|ns:film.film.production_companies M6 .
M1 ns:film.film.written_by ?x0 .
M1 ns:film.film.written_by M2 .
M1 ns:film.film.written_by M3 .
M1 ns:film.film.written_by M4
}