user: Question: What is the weekly rank where the number is 4?
Columns: ['#', 'Episode', 'Air Date', 'Timeslot', 'Rating', 'Share', '18-49', 'Viewers', 'Weekly Rank']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: [1.0, '"Pilot"', 'March 2, 2008', '10:00 P.M.', '3.8', 6.0, '2.6/6 (#2)', '5.77 (#4)', 'N/A']
SQL:

assistant: SELECT "Weekly Rank" FROM "Table" WHERE "#" = 4.0;