user: Question: What number of win% has a postseason of did not qualify and rank larger than 8?
Columns: ['Year', 'Rank', 'Games', 'Win%', 'Postseason']
Types: ['real', 'real', 'real', 'real', 'text']
Sample row: [1982.0, 5.0, 80.0, 0.388, 'Did not qualify']
SQL:

assistant: SELECT "Win%" FROM "Table" WHERE "Postseason" = 'did not qualify' AND "Rank" > 8.0;