user: Question: Which Surface has a Date of 16 November 2007?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents in the final', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', '14 August 2005', 'Wuxi , China', 'Hard', 'Casey Dellacqua', 'Mi-Ra Jeon Wynne Prakusya', '2-6 6-7(6)']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "Date" = '16 November 2007';