question: Was M2 executive produced by , directed by , and edited by a film producer that M1 employed
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  M2 ns:film.film.directed_by ?x0 .
  M2 ns:film.film.edited_by ?x0 .
  M2 ns:film.film.executive_produced_by ?x0
  }