CREATE TABLE table_62014 ("Outcome" TEXT, "Edition" FLOAT, "Round" TEXT, "Opponent Team" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

What is Surface, when Edition is 2012, and when Outcome is Winner?
SELECT "Surface" FROM table_62014 WHERE "Edition" = '2012' AND "Outcome" = 'winner'
SELECT "Surface" FROM "table_62014" WHERE "Edition" = '2012' AND "Outcome" = 'winner'