CREATE TABLE table_59443 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

What is the surface on 15 August 2009?
SELECT "Surface" FROM table_59443 WHERE "Date" = '15 august 2009'
SELECT "Surface" FROM "table_59443" WHERE "Date" = '15 august 2009'