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

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'