user: Question: What was the free score of the skater with a total of 156.67?
Columns: ['Rank', 'Name', 'Nation', 'Placings', 'Figures', 'Free', 'Total']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Dick Button', 'United States', 7.0, 104.38, 79.33, 183.71]
SQL:

assistant: SELECT "Free" FROM "Table" WHERE "Total" = 156.67;