user: Question: What is the lowest rank of an episode with a rating/share (18-49) of 1.3/4?
Columns: ['Episode Number', 'Episode', 'Rating', 'Share', 'Rating/Share (18-49)', 'Viewers (millions)', 'Rank (Timeslot)', 'Rank (Night)']
Types: ['real', 'text', 'text', 'real', 'text', 'text', 'real', 'real']
Sample row: [1.0, '"And Jill Came Tumbling After"', '3.5', 6.0, '1.3/4', '5.17', 2.0, 3.0]
SQL:

assistant: SELECT MIN("Rank (Night)") FROM "Table" WHERE "Rating/Share (18-49)" = '1.3/4';