import pandas as pd
d1 = pd.DataFrame({'address':['wienerstr. 30 wienerstr. 3ß', 'UWW GmbH Linzer Straße 431'],
                   'BLD': ['30', '431']})
d2 = pd.DataFrame({'address':['wienerstr. 30 wienerstr. 3ß'],
                  'BLD_verdict':['incorrect_missing']})
/* Expected output
    address                                 BLD
0   wienerstr. 30 wienerstr. 3ß                30
*/