Question: Which county that has Santiago Daniel Martinez Roa as a player is sometimes referred to as "Corazón de Sudamérica"?
Sentence (from "County of Coimbra"): The County of Coimbra (Portuguese: "Condado de Coimbra" ) was a political entity consisting of the lands of Coimbra, Viseu, Lamego and Santa Maria da Feira, in modern Portugal.
Relevant evidence: No