What is the most popular wine varietal produced in California?
California is best known for its white wine, Chardonnay, and its red wine, Cabernet Sauvignon.
<START_INST>What is the most popular wine varietal produced in California?<END_INST><START_CTX><END_CTX><START_A>California is best known for its white wine, Chardonnay, and its red wine, Cabernet Sauvignon.<END_A>