CREATE TABLE table_2387 ("Episode" FLOAT, "First Air Date" CLOB, "Rating  ( 18\\u201349 ) " CLOB, "Share  ( 18\\u201349 ) " FLOAT, "Viewers  ( millions ) " CLOB, "Rank  ( timeslot ) " CLOB)

Name the episode for 18-49 rating being 3.6
SELECT COUNT("Episode") FROM table_2387 WHERE "Rating (18\u201349)" = '3.6'
SELECT COUNT("Episode") FROM "table_2387" WHERE "Rating (18\u201349)" = '3.6'