CREATE TABLE table_27653 ("Rank by average" FLOAT, "Place" FLOAT, "Couple" TEXT, "Total points" FLOAT, "Number of dances" FLOAT, "Average" TEXT)

What is the number of dances for the team that averages 20.6?
SELECT "Number of dances" FROM table_27653 WHERE "Average" = '20.6'
SELECT "Number of dances" FROM "table_27653" WHERE "Average" = '20.6'