question: Was M3 directed by M4 , directed by a actor , and executive produced by a employee of M0 and M1
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x1 a ns:film.actor .
  M3 ns:film.film.directed_by ?x1 .
  M3 ns:film.film.directed_by M4 .
  M3 ns:film.film.executive_produced_by ?x0
  }