user: Question: Who won the points classifications in the stage where Matteo Priamo was the winner?
Columns: ['Stage', 'Winner', 'General classification', 'Points classification', 'Mountains classification', 'Young rider classification']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Slipstream-Chipotle', 'Christian Vande Velde', 'no award', 'no award', 'Chris Anker Sørensen']
SQL:

assistant: SELECT "Points classification" FROM "Table" WHERE "Winner" = 'Matteo Priamo';