<|im_start|>user
What wines are made in Napa Valley?

Context:
A trend of larger national and international companies like E & J Gallo Winery, Diageo and Constellation Brands buying smaller wineries, vineyards and brands began to gain momentum in the early part of the 21st century. Today Napa Valley features more than 450 wineries that grow grape varieties including Cabernet Sauvignon, Chardonnay, Pinot noir, Merlot, Zinfandel, among others. While winemakers may produce wines from specific AVAs within the valley, many wines are made as a blend from grapes grown on the valley floor and the surrounding hillsides.<|im_end|>
<|im_start|>assistant
Napa Valley grows a wide variety of wine grapes. Initially, they were made famous for Cabernet Sauvignon and Chardonnay. Today they also produce Pinot Noir, Merlot, and Zinfandel.<|im_end|>
