Wikipedia:Articles for deletion/Dupa Biskupa
It clearly exists and I got 5000 G-hits although I wouldn't attest to the |reliability of the website results (my ability to speak Polish is limited to greetings, profanities, purchasing alcohol and asking to see a woman's breasts).Perhaps the author could find a few more Polish references (meeting 
— User:Suriel1981, 14:21, 23 January 2012 (UTC)
Stance: comment
Cited policy: WP:RS||WP:RS (Wikipedia:Reliable sources)