def METHOD_NAME(cmd, tmpl):
  ''' Run mmlsnodeclass GUI_MGMT_SERVERS, return the first instance found. '''
  p = subprocess.Popen([cmd, "GUI_MGMT_SERVERS"], stdout=subprocess.PIPE,
                                                  stderr=subprocess.PIPE)
  out, err = p.communicate()
  with open(tmpl,"r") as template:
    re_table = textfsm.TextFSM(template)
    data = re_table.ParseText(out)
    zipped = dict()
    for row in data:
      zipped = dict(zip(re_table.header, row))
      gui = zipped.get("GUI_MGMT_SERVER", None)
      if gui is not None and isinstance(gui, str):
        return gui
  return ""