CREATE TABLE table_28089 ("Episode Number" FLOAT, "Episode" TEXT, "Rating" TEXT, "Share" FLOAT, "Rating/Share  ( 18-49 ) " TEXT, "Viewers  ( millions ) " TEXT, "Rank  ( Timeslot ) " FLOAT, "Rank  ( Night ) " FLOAT)

What is the lowest rank of an episode with a rating/share (18-49) of 1.3/4?
SELECT MIN("Rank (Night)") FROM table_28089 WHERE "Rating/Share (18-49)" = '1.3/4'
SELECT MIN("Rank (Night)") FROM "table_28089" WHERE "Rating/Share (18-49)" = '1.3/4'