CREATE TABLE table_49189 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

What is the Opponent of the Banja Luka Tournament with a Score of 4 6, 4 6?
SELECT "Opponent" FROM table_49189 WHERE "Score" = '4–6, 4–6' AND "Tournament" = 'banja luka'
SELECT "Opponent" FROM "table_49189" WHERE "Score" = '4–6, 4–6' AND "Tournament" = 'banja luka'