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