What is cava right rice?

As an AI language model, I'm not sure what you mean by "cava right rice." Cava is a Spanish sparkling wine made using the traditional method, similar to Champagne. It is produced using specific grape varieties grown in designated areas of Spain. Right rice is a brand of rice that claims to be healthier than other types of rice, as it has a lower glycemic index. Could you please provide more context or clarification?