user: Question: What is the location for the Win against Johan Mparmpagiannis?
Columns: ['Date', 'Result', 'Opponent', 'Location', 'Method']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2013-04-27', 'Win', 'Martinis Knyzelis', 'Vilnius, Lithuania', 'Decision']
SQL:

assistant: SELECT "Location" FROM "Table" WHERE "Result" = 'Win' AND "Opponent" = 'Johan Mparmpagiannis';