tries against is 29, what is the points against?
CREATE TABLE "2007_2008_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 "points_against" FROM "2007_2008_table" WHERE "tries_against"='29';