CREATE TABLE table_27966 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Director" TEXT, "Writer ( s ) " TEXT, "Original air date" TEXT)

When 'the charlotte letter' is the title what is the air date?
SELECT "Original air date" FROM table_27966 WHERE "Title" = 'The Charlotte Letter'
SELECT "Original air date" FROM "table_27966" WHERE "Title" = 'The Charlotte Letter'