docs: def get_variable_name_col(d):
      """
      Get the variable name from a table or column
  
      :param dict d: Metadata (column)
      :return str var: Variable name
      """
      var = ""
      try:
          var = d["variableName"]
      except KeyError:
          try:
              var = d["name"]
          except KeyError:
              num = "unknown"
              if "number" in d:
                  num = d["number"]
              print("Error: column number <{}> is missing a variableName. Please fix.".format(num))
              logger_misc.info("get_variable_name_col: KeyError: missing key")
      return var