code: func (s *Server) Querier(ctx context.Context, min, max int64) (storage.Querier, error) {
  	from := uint32(min / 1000)
  	to := uint32(max / 1000)
  	return NewQuerier(ctx, s, from, to, ctx.Value(orgID("org-id")).(uint32), false), nil
  }
docs: // Querier creates a new querier that will operate on the subject server
  // it needs the org-id stored in a context value