Question: Joachim Chreptowicz was an activist of what educational authority in the Polish-Lithuanian commonwealth?
Sentence (from "Battle of Podhajce (1667)"): The Battle of Podhajce (October 6–16, 1667) was fought in the town of Podhajce in the Polish-Lithuanian Commonwealth (nowadays Pidhaitsi, western Ukraine), and the area surrounding it as part of the Polish-Tartar War and the Great Turkish War.
Relevant evidence: No