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