text: def scienti_filter(table_name, data_row):
      """
      Funtion that allows to filter unwanted data from the json.
      for this case:
          * fields with "FILTRO"
          * values with the string "nan"
          * passwords
      anything can be set here to remove unwanted data.
      Parameters:
      table_name:str
          name of the table we are currently filtering
      data_row:pandas.Series
          one arrow of the current table
      Returns:
          dictionary with the clean data.
  
      NOTE: this is called by the funciton ukupacha.Utils.parse_table
      """
      data_row.dropna(inplace=True)
      data = {}
      for key, value in data_row.iteritems():
          if "FILTRO" in key:
              continue
          # if value == "nan":
          #    continue
          if key == "TXT_CONTRASENA":
              continue
          data[key] = value
      return data
  