CREATE TABLE table_168 ("#" FLOAT, "Episode" CLOB, "Air Date" CLOB, "Timeslot  ( EST ) " CLOB, "Rating" CLOB, "Share" CLOB, "18\\u201349 Rating" CLOB, "Viewers  ( millions ) " CLOB, "Rank" CLOB)

What was the # for the episode 'the birthday present'?
SELECT MAX("#") FROM table_168 WHERE "Episode" = 'The Birthday Present'
SELECT MAX("#") FROM "table_168" WHERE "Episode" = 'The Birthday Present'