question: What star and executive producer of M0 did M1 employ
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.film M0 .
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1
  }