What is the name of the opponent at the Herceg Novi tournament?
CREATE TABLE "itf_circuit_singles_finals_7_6" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "opponent" FROM "itf_circuit_singles_finals_7_6" WHERE "tournament"='herceg novi';