Was M1 executive produced by M2 , M3 , and M4 , written by M5 , M6 , and M7 , and written by a character
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.executive_produced_by M4 .
M1 ns:film.film.written_by ?x0 .
M1 ns:film.film.written_by M5 .
M1 ns:film.film.written_by M6 .
M1 ns:film.film.written_by M7
}