user: Question: What date has Liga 3rd of Dynamo Dresden?
Columns: ['Date', '2nd Bundesliga 16th', '3rd Liga 3rd', 'Game 1', 'Game 2']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2008-09', 'VfL Osnabrück', 'SC Paderborn 07', '0-1', '0-1']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "3rd Liga 3rd" = 'Dynamo Dresden';