Question: Marina Raquel Riofrío, is an Argentine Justicialist Party politician, and was born in San Juan, the capital city of the Argentine province of San Juan in which region?
Sentence (from "San Juan, Argentina"): San Juan (] ) is the capital city of the Argentine province of San Juan in the Cuyo region, located in the Tulúm Valley, west of the San Juan River, at 650 m above mean sea level, with a population of around 112,000 as per the 2001 census (over 500,000 in the metropolitan area).
Relevant evidence: Yes