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 "Santiago del Estero Province"): Neighbouring provinces, clockwise from the north, are Salta, Chaco, Santa Fe, Córdoba, Catamarca and Tucumán.
Relevant evidence: Yes