question: What was executive produced by M0 and M1 , produced by a person 's actor , and executive produced by M2 and M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x0 ns:film.film.executive_produced_by M1 .
  ?x0 ns:film.film.executive_produced_by M2 .
  ?x0 ns:film.film.executive_produced_by M3 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.character ?x2 .
  ?x2 a ns:people.person
  }