user: Question: On what surface was the 26 August 2001 tournament played?
Columns: ['Date', 'Tournament', 'Surface', 'Partner', 'Opponents in final', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['26 August 2001', 'Long Island , USA', 'Hard', 'Radek Štěpánek', 'Jonathan Stark Kevin Ullyett', '1–6, 4–6']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "Date" = '26 August 2001';