Was M0 a character that M2 and M3 were written by and were executive produced by
SELECT count(*) WHERE {
M0 a ns:fictional_universe.fictional_character .
M0 ns:film.producer.films_executive_produced M2 .
M0 ns:film.producer.films_executive_produced M3 .
M0 ns:film.writer.film M2 .
M0 ns:film.writer.film M3
}