Was M1 executive produced by a screenwriter and directed by M2 , M3 , M4 , M5 , and M6
SELECT count(*) WHERE {
?x0 a ns:film.writer .
M1 ns:film.film.directed_by M2 .
M1 ns:film.film.directed_by M3 .
M1 ns:film.film.directed_by M4 .
M1 ns:film.film.directed_by M5 .
M1 ns:film.film.directed_by M6 .
M1 ns:film.film.executive_produced_by ?x0
}