CREATE TABLE table_23706 ("Rank by average" FLOAT, "Place" FLOAT, "Couple" TEXT, "Total points" FLOAT, "Number of dances" FLOAT, "Average" TEXT)

How many couples have an average of 25.3?
SELECT COUNT("Couple") FROM table_23706 WHERE "Average" = '25.3'
SELECT COUNT("Couple") FROM "table_23706" WHERE "Average" = '25.3'