user: Question: what is total number of points where the stage is 17?
Columns: ['Stage', 'Winner', 'General classification', 'Points classification', 'Mountains classification', 'Intergiro classification', 'Trofeo Fast Team']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Mario Cipollini', 'Mario Cipollini', 'Mario Cipollini', 'not awarded', 'Dimitri Konyshev', 'Saeco']
SQL:

assistant: SELECT COUNT("Points classification") FROM "Table" WHERE "Stage" = 17.0;