Question: Were Brett Liddle and Agata Szymczewska of the same nationality?
Sentence (from "Agata Szymczewska"): Agata Szymczewska( born 1985 in Gdańsk) is a Polish violinist and a student of Academy of Music in Poznań and" Hochschule für Musik und Theater in Hannover" under professors Bartosz Bryła and Krzysztof Węgrzyn.
Relevant evidence: Yes