CREATE TABLE table_46945 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

what is the surface on july 26, 2010?
SELECT "Surface" FROM table_46945 WHERE "Date" = 'july 26, 2010'
SELECT "Surface" FROM "table_46945" WHERE "Date" = 'july 26, 2010'