user: Question: If the games won are 5, what is the best winning average?
Columns: ['Players', 'Games Won', 'Games Lost', 'Total points', 'Grand Average', 'Best Winning Average', 'Best Run']
Types: ['text', 'real', 'real', 'real', 'text', 'text', 'real']
Sample row: ['Cyrille Dion', 5.0, 0.0, 2500.0, '12.76-202', '20', 138.0]
SQL:

assistant: SELECT "Best Winning Average" FROM "Table" WHERE "Games Won" = 5.0;