CREATE TABLE table_31254 ("Rank by average" FLOAT, "Place" FLOAT, "Couple" TEXT, "Total points" TEXT, "Number of dances" FLOAT, "Average" TEXT)

how many times is the total points 128.0?
SELECT COUNT("Couple") FROM table_31254 WHERE "Total points" = '128.0'
SELECT COUNT("Couple") FROM "table_31254" WHERE "Total points" = '128.0'