Czy wiesz” (pol. “Did you know”) is a set of 4721 questions, each linked to a Wikipedia article that contains the answer.
For 250 questions a detailed manual analysis has been performed. What results is attachment of manually-checked answer-bearing fragments to each of those selected questions. Some questions are assigned multiple fragments.
The data set has been obtained from the Polish “Did you know” wikiproject. The dataset is made to facilitate evaluation and development of Polish QA systems.