Was M3 produced by a star of M0 , M1 , and M2 and executive produced by M4 , M5 , and M6
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.actor.film/ns:film.performance.film M2 .
M3 ns:film.film.executive_produced_by M4 .
M3 ns:film.film.executive_produced_by M5 .
M3 ns:film.film.executive_produced_by M6 .
M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}