user: Question: What was the location of the fight when Gassaway fought Kevin Knabjian?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Round', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Loss', '29–20–2 (1)', 'Shungo Oyama', 'Technical Submission (inverted triangle choke)', '1', 'Sentosa , Singapore']
SQL:

assistant: SELECT "Location" FROM "Table" WHERE "Opponent" = 'Kevin Knabjian';