CREATE TABLE table_48556 ("Tournament" CLOB, "Surface" CLOB, "Week" CLOB, "Winner and score" CLOB, "Finalist" CLOB, "Semifinalists" CLOB)

What surface was played on during the week of August 10?
SELECT "Surface" FROM table_48556 WHERE "Week" = 'august 10'
SELECT "Surface" FROM "table_48556" WHERE "Week" = 'august 10'