CREATE TABLE table_46946 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

what is the tournament on august 17, 2008?
SELECT "Tournament" FROM table_46946 WHERE "Date" = 'august 17, 2008'
SELECT "Tournament" FROM "table_46946" WHERE "Date" = 'august 17, 2008'