CREATE TABLE table_27821 ("Position" FLOAT, "Sail Number" TEXT, "Yacht" TEXT, "State/Country" TEXT, "Yacht Type" TEXT, "LOA  ( Metres ) " TEXT, "Skipper" TEXT, "Elapsed Time d:hh:mm:ss" TEXT)

How many times are provided for the boat with LOA of 20.49?
SELECT COUNT("Elapsed Time d:hh:mm:ss") FROM table_27821 WHERE "LOA (Metres)" = '20.49'
SELECT COUNT("Elapsed Time d:hh:mm:ss") FROM "table_27821" WHERE "LOA (Metres)" = '20.49'