What was the score for alcobaça when the opponent was in the final of xinyun han?
CREATE TABLE "singles_12" (
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score" text
);
SELECT "score" FROM "singles_12" WHERE "tournament"='alcobaça' AND "opponent_in_the_final"='xinyun han';