user: Question: What is the location of the fight against Zaza Tkeshelashvili?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Win', '36-10-1 (2)', 'Chuck Grigsby', 'TKO (punches)', 'Mainstream MMA - Inferno', 1.0, 'Iowa , United States']
SQL:

assistant: SELECT "Location" FROM "Table" WHERE "Opponent" = 'Zaza Tkeshelashvili';