Question: Name the province in the north of Argentina whose neighbouring provinces include Salta, Chaco and Tucuman and is represented by the Civic Front for Santiago which operates as a bloc in Congress?
Sentence (from "Ada Itúrrez de Cappellini"): Elected for the Civic Front for Santiago, she sits in the Argentine Senate representing Santiago del Estero Province and supports the majority block of the Front for Victory.
Relevant evidence: No