Question: Which red wine variety made in Nistreana is increasingly celebrated as an Argentine varietal wine?
Sentence (from "Nistreana (wine)"): The climatic conditions are favorable to the cultivation of red grape varieties: Chardonnay, Sauvignon blanc, Cabernet Sauvignon, Merlot, Pinot noir, Malbec, Rara Neagră and Saperavi, which serve as the basis for the production of aged wines.
Relevant evidence: Yes