CREATE TABLE table_30054 ("Outcome" TEXT, "Edition" TEXT, "Opponent Team" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

For opponent is sandra kristj nsd ttir, outcome is winner and edition is 2009 europe/africa group iiib mention all the opponent team.
SELECT "Opponent Team" FROM table_30054 WHERE "Edition" = '2009 Europe/Africa Group IIIB' AND "Outcome" = 'Winner' AND "Opponent" = 'Sandra Kristjánsdóttir'
SELECT "Opponent Team" FROM "table_30054" WHERE "Edition" = '2009 Europe/Africa Group IIIB' AND "Opponent" = 'Sandra Kristjánsdóttir' AND "Outcome" = 'Winner'