CREATE TABLE table_40952 ("Year" FLOAT, "Date" TEXT, "Television" TEXT, "Designated Visitors" TEXT, "Designated Home" TEXT, "Stadium" TEXT, "City" TEXT)

Who were the visitors when the Atlanta Falcons were the home team?
SELECT "Designated Visitors" FROM table_40952 WHERE "Designated Home" = 'atlanta falcons'
SELECT "Designated Visitors" FROM "table_40952" WHERE "Designated Home" = 'atlanta falcons'