user: Question: If the stadium name is the Thuwunna Stadium, what is the date?
Columns: ['Date', 'Tournament', 'Location', 'Opponent', 'Stadium', 'Score', 'Indian Scorers']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['23 February 2011', '2012 Olympic Qualifier', 'Pune , India', 'Myanmar', 'Balewadi Sports Complex', '2–1', 'Jeje Lalpekhlua , Malsawmfela']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Stadium" = 'Thuwunna Stadium';