Was M2 produced by a production company , executive produced by M3 , and written by a character
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x1 a ns:film.production_company .
M2 ns:film.film.executive_produced_by M3 .
M2 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
M2 ns:film.film.written_by ?x0
}