// TODO: maps (e.g. #1001307)

  static S additionalQuery(S s, S varName, S thing) {
    O value = get(main.class, varName);
    if (!(value instanceof List)) return null;
    L<S> list = (L<S>) value;
    
    if (match3("how many " + thing + "s", s))
      return "" + list.size();
      
    if (match3("structure " + thing + "s", s))
      return structure(list);
      
    return null;
  }
  
  static S standardQuery(S s, S varName) {
    O value = get(main.class, varName);
    if (isType(value, "main$AList"))
      value = call(value, "shoot");
    if (!(value instanceof List)) return null;
    L list = (L) value;
    
    if (match3("how many entries", s) || match3("n", s))
      return "" + list.size();
    
    if (match3("structure", s))
      return structure(list);
      
    return null;
  }