Question: Pietro Abbati Marescotti taught mathematics in what comune on the south side of the Po Valley?
Sentence (from "Modena"): Modena (] ; Etruscan: "Mutna"; ; Modenese: "Mòdna") is a city and "comune" (municipality) on the south side of the Po Valley, in the Province of Modena in the Emilia-Romagna region of northern Italy.
Relevant evidence: Yes