user: Question: who is the opponent on 2004-06-26 with the result of Loss?
Columns: ['Date', 'Result', 'Opponent', 'Event', 'Location', 'Method', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2010-12-16', 'Loss', 'Eugene Orlov', 'KOK World GP 2010 in Russia', 'Moscow, Russia', 'Decision (3-0)', '13-14']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = '2004-06-26' AND "Result" = 'Loss';