user: ### NOW ANSWER:
Question: How old is contestant Valerie Chardonnens Vargas?
Columns: ['Province, Community', 'Contestant', 'Age', 'Height', 'Hometown', 'Geographical Regions']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Azua', 'Aurys Sánchez Tejada', 20.0, '1.80', 'Santo Domingo', 'Sur']
SQL:

assistant: SELECT MAX("Age") FROM "Table" WHERE "Contestant" = 'Valerie Chardonnens Vargas';