GetFeatureInfo results:

Layer 'regismv_gemarkungen'
  Feature 359: 
    id = '359'
    kreis_name = 'Landkreis Vorpommern-Rügen'
    kreis_schluessel = '13073'
    gemeindeverband_name = 'Niepars'
    gemeindeverband_schluessel = '130735358'
    gemeinde_name = 'Niepars'
    gemeinde_schluessel = '130735358060'
    gemarkung_name = 'Martensdorf'
    gemarkung_schluessel = '132661'
    gueltigkeit_von = '2015-01-07'
    gueltigkeit_bis = ''