CREATE TABLE table_73635 ("Episode number Production number" TEXT, "Title" TEXT, "Original airdate" TEXT, "Rating/Share in Households" TEXT, "18\\u201349 Rating Live+SD / Live+7" TEXT, "Share" TEXT, "Live+SD Total viewers" TEXT, "Live+7 Day DVR Total viewers" TEXT)

How many total viewers (combined Live and SD) watched the episode with a share of 8?
SELECT "Live+7 Day DVR Total viewers" FROM table_73635 WHERE "Share" = '8'
SELECT "Live+7 Day DVR Total viewers" FROM "table_73635" WHERE "Share" = '8'