CREATE TABLE table_25591 ("Stage" FLOAT, "Winner" TEXT, "General classification" TEXT, "Mountains classification" TEXT, "Points classification" TEXT, "Sprints classification" TEXT, "Team classification" TEXT)

If the stage is 3, what is the points classification name?
SELECT "Points classification" FROM table_25591 WHERE "Stage" = '3'
SELECT "Points classification" FROM "table_25591" WHERE "Stage" = '3'