Task: Question Answering
Input (English): Context: Sidonie of Podebrady (Czech: Zdenka z Podebrad; 14 November 1449 -- 1 February 1510) was a daughter of George of Podebrady, King of Bohemia, and his first wife Kunigunde of Sternberg. 
 Question: Which lady gave birth to Sidonie of Podebrady?
Output (English): kunigunde of sternberg