CREATE TABLE "doubles_12_9_titles_3_runners_up" (
  "result" text,
  "no" real,
  "date" text,
  "category" text,
  "tournament" text,
  "surface" text,
  "partner" text,
  "opponents" text,
  "score" text
);

Question: In the 250 series on clay what were the scores?
SQL: SELECT "score" FROM "doubles_12_9_titles_3_runners_up" WHERE "surface"='Clay' AND "category"='250 series';