On what surface was the 26 August 2001 tournament played?
CREATE TABLE table_70088 (
    "Date" text,
    "Tournament" text,
    "Surface" text,
    "Partner" text,
    "Opponents in final" text,
    "Score" text
)
SELECT "Surface" FROM table_70088 WHERE "Date" = '26 august 2001'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: On what surface was the 26 August 2001 tournament played? ### Input: CREATE TABLE table_70088 (
    "Date" text,
    "Tournament" text,
    "Surface" text,
    "Partner" text,
    "Opponents in final" text,
    "Score" text
) ### Response: SELECT "Surface" FROM table_70088 WHERE "Date" = '26 august 2001'