CREATE TABLE table_21176 ("Cycle no." TEXT, "Air dates" TEXT, "Reward" TEXT, "Immunity" TEXT, "Eliminated" TEXT, "Vote" TEXT, "Finish" TEXT)

Name the total number of air dates for 05 cycle
SELECT COUNT("Air dates") FROM table_21176 WHERE "Cycle no." = '05'
SELECT COUNT("Air dates") FROM "table_21176" WHERE "Cycle no." = '05'