Was M1 directed by a person , produced by M3 , and executive produced by M2
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.produced_by|ns:film.film.production_companies M3
}