CREATE TABLE table_24222929_3 (live VARCHAR, share VARCHAR)

How many total viewers (combined Live and SD) watched the episode with a share of 8?
SELECT live + 7 AS _day_dvr_total_viewers FROM table_24222929_3 WHERE share = "8"
SELECT "live" + 7 AS "_day_dvr_total_viewers" FROM "table_24222929_3" WHERE "8" = "share"