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