question: Was M1 executive produced by M2 , M3 , M4 , M5 , and M6 , edited by a actor , and written by M7
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  M1 ns:film.film.edited_by ?x0 .
  M1 ns:film.film.executive_produced_by M2 .
  M1 ns:film.film.executive_produced_by M3 .
  M1 ns:film.film.executive_produced_by M4 .
  M1 ns:film.film.executive_produced_by M5 .
  M1 ns:film.film.executive_produced_by M6 .
  M1 ns:film.film.written_by M7
  }