What is the Tries against when lost shows 12 for pontycymmer rfc?
CREATE TABLE "2008_2009_table" (
  "club" text,
  "played" text,
  "drawn" text,
  "lost" text,
  "points_for" text,
  "points_against" text,
  "tries_for" text,
  "tries_against" text,
  "try_bonus" text
);
SELECT "tries_against" FROM "2008_2009_table" WHERE "lost"='12' AND "club"='pontycymmer rfc';