CREATE TABLE table_54059 ("Episode" TEXT, "Air Date" TEXT, "Rating" FLOAT, "Share" FLOAT, "18\\u201349  ( Rating/Share ) " TEXT, "Viewers  ( m ) " FLOAT, "Weekly Rank" FLOAT)

What is the total share for an episode with an air date of November 19, 2007?
SELECT SUM("Share") FROM table_54059 WHERE "Air Date" = 'november 19, 2007'
SELECT SUM("Share") FROM "table_54059" WHERE "Air Date" = 'november 19, 2007'