user: Question: When 7th place, what is the date?
Columns: ['Season', 'Date', 'Location', 'Race', 'Place']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2009.0, '19 Dec 2008', 'Val Gardena , Italy', 'Super G', '20th']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Place" = '7th';