CREATE TABLE table_22210 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( millions ) " TEXT)

How many original air dates totaled 26.06 million viewers?
SELECT COUNT("Original air date") FROM table_22210 WHERE "U.S. viewers (millions)" = '26.06'
SELECT COUNT("Original air date") FROM "table_22210" WHERE "U.S. viewers (millions)" = '26.06'