CREATE TABLE table_16494 ("#" FLOAT, "Episode" TEXT, "Air Date" TEXT, "Rating" TEXT, "Share" FLOAT, "18\\u201349  ( Rating/Share ) " TEXT, "Viewers  ( m ) " TEXT, "Weekly Rank" FLOAT)

What is the episode where 18-49 has a rating/share of 3.5/9
SELECT "Episode" FROM table_16494 WHERE "18\u201349 (Rating/Share)" = '3.5/9'
SELECT "Episode" FROM "table_16494" WHERE "18\u201349 (Rating/Share)" = '3.5/9'