user: Question: How many postseason titles has Nebraska received?
Columns: ['Team', 'Season', 'Regular Season (division)', 'Postseason', 'Total']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Oklahoma', '1996–present', 9.0, '7', 16.0]
SQL:

assistant: SELECT SUM("Postseason") FROM "Table" WHERE "Team" = 'Nebraska';