question: Was a film director that M1 and M2 were written by , edited by , and directed by M0
query: SELECT count(*) WHERE {
  M0 ns:film.director.film M1 .
  M0 ns:film.director.film M2 .
  M0 ns:film.editor.film M1 .
  M0 ns:film.editor.film M2 .
  M0 ns:film.writer.film M1 .
  M0 ns:film.writer.film M2
  }