CREATE TABLE table_6330 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents" TEXT, "Score" TEXT)

On what Surface was the match with a Score of 3-6, 1-6 played?
SELECT "Surface" FROM table_6330 WHERE "Score" = '3-6, 1-6'
SELECT "Surface" FROM "table_6330" WHERE "Score" = '3-6, 1-6'