CREATE TABLE table_3411 ("No." FLOAT, "#" FLOAT, "Episode" TEXT, "Writer" TEXT, "Director" TEXT, "Original air date" TEXT, "Viewing figure" FLOAT)

How many items are listed under the column 'viewing figure' for 'the looking glass'?
SELECT COUNT("Viewing figure") FROM table_3411 WHERE "Episode" = 'The Looking Glass'
SELECT COUNT("Viewing figure") FROM "table_3411" WHERE "Episode" = 'The Looking Glass'