user: Question: Which Opponent has a Method of TKO, and a Location of Elgin, Illinois, USA on 2001-02-11?
Columns: ['Date', 'Result', 'Opponent', 'Location', 'Method', 'Round', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['2001-09-02', 'Loss', 'Chester Hughes', 'Elgin, Illinois, USA', 'KO', 1.0, '5-1-0']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Method" = 'TKO' AND "Location" = 'Elgin, Illinois, USA' AND "Date" = '2001-02-11';