user: Question: What is the lowest rank (night) for having viewers (millions) 5.25?
Columns: ['#', 'Episode', 'Rating', 'Share', 'Rating/Share (18-49)', 'Viewers (millions)', 'Rank (timeslot)', 'Rank (night)', 'Rank (week)']
Types: ['real', 'text', 'text', 'real', 'text', 'text', 'real', 'real', 'text']
Sample row: [1.0, '"Pilot"', '7.1', 12.0, '3.8/9', '10.72', 2.0, 8.0, '20']
SQL:

assistant: SELECT MIN("Rank (night)") FROM "Table" WHERE "Viewers (millions)" = '5.25';