docs: public static List<String> readColumnFromDelimitedFile(String filename, 
        int columnNumber, String delimiter) {
      List<String> columnValues = Lists.newArrayList();
      try {
        BufferedReader in = new BufferedReader(new FileReader(filename));
        String line;
        while ((line = in.readLine()) != null) {
          String[] parts = line.split(delimiter);
          columnValues.add(parts[columnNumber]);
        }
        in.close();
      } catch (IOException e) {
        throw new RuntimeException(e);
      }
      return columnValues;
    }