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