user: Question: Which team Lost under interim head coach, DeWayne Walker?
Columns: ['Team', 'Bowl', 'Season coach', 'Interim head coach', 'Result', '2008 head coach']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Arkansas', 'Cotton', 'Houston Nutt', 'Reggie Herring', 'Lost', 'Bobby Petrino']
SQL:

assistant: SELECT "Team" FROM "Table" WHERE "Result" = 'Lost' AND "Interim head coach" = 'DeWayne Walker';