CREATE TABLE table_68896 ("Stage" TEXT, "Winner" TEXT, "General classification" TEXT, "Points classification" TEXT, "Mountains classification" TEXT, "Young rider classification" TEXT, "Trofeo Fast Team" TEXT)

Who had the Points classification for Stage 13?
SELECT "Points classification" FROM table_68896 WHERE "Stage" = '13'
SELECT "Points classification" FROM "table_68896" WHERE "Stage" = '13'