Were M1 , M4 , M5 , and M6 written by M3 , executive produced by M2 , and directed by a person
SELECT count(*) WHERE {
?x0 a ns:people.person .
M1 ns:film.film.directed_by ?x0 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.written_by M3 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.executive_produced_by M2 .
M4 ns:film.film.written_by M3 .
M5 ns:film.film.directed_by ?x0 .
M5 ns:film.film.executive_produced_by M2 .
M5 ns:film.film.written_by M3 .
M6 ns:film.film.directed_by ?x0 .
M6 ns:film.film.executive_produced_by M2 .
M6 ns:film.film.written_by M3
}