user: Question: Which Combination classification has a Stage of 14?
Columns: ['Stage', 'Winner', 'General classification', 'Points classification', 'Mountains classification', 'Combination classification', 'Team classification']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'Liquigas', 'Filippo Pozzato', 'not awarded', 'not awarded', 'not awarded', 'Liquigas']
SQL:

assistant: SELECT "Combination classification" FROM "Table" WHERE "Stage" = '14';