user: Question: Which days have a stage of SS11?
Columns: ['Day', 'Stage', 'Time (CET)', 'Name', 'Length', 'Winner', 'Time', 'Avg. spd.', 'Rally leader']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['1 (12 FEB)', 'SS1', '20:04', 'Oslo', '1.92km', 'Petter Solberg', '1:32.8', '74.5km/h', 'Petter Solberg']
SQL:

assistant: SELECT "Day" FROM "Table" WHERE "Stage" = 'SS11';