What was the score when the opponent was irena pavlovic and the surface was hard?
CREATE TABLE "singles_12" (
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score" text
);
SELECT "score" FROM "singles_12" WHERE "surface"='hard' AND "opponent_in_the_final"='irena pavlovic';