CREATE TABLE table_483 ("Season #" FLOAT, "Series #" FLOAT, "Title" TEXT, "Canadian airdate" TEXT, "U.S. airdate" TEXT, "Production code" FLOAT)

What is the total number of u.s. air dates with a title of 'dermabrasion
SELECT COUNT("U.S. airdate") FROM table_483 WHERE "Title" = 'Dermabrasion'
SELECT COUNT("U.S. airdate") FROM "table_483" WHERE "Title" = 'Dermabrasion'