CREATE TABLE table_31944 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

Tell me the surface for november 28, 2010
SELECT "Surface" FROM table_31944 WHERE "Date" = 'november 28, 2010'
SELECT "Surface" FROM "table_31944" WHERE "Date" = 'november 28, 2010'