user: Question: What is the highest total medals Winter athlete Clara Hughes has?
Columns: ['Athlete', 'Sport', 'Type', 'Olympics', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Cindy Klassen', 'Speed skating', 'Winter', '2002 , 2006 , 2010', 1.0, 2.0, 3.0, 6.0]
SQL:

assistant: SELECT MAX("Total") FROM "Table" WHERE "Type" = 'Winter' AND "Athlete" = 'Clara Hughes';