What is Chesterfield Spires average?
CREATE TABLE "season_2006" (
  "position" real,
  "club" text,
  "played" real,
  "h_win" real,
  "h_draw" real,
  "a_win" real,
  "a_draw" real,
  "lost" real,
  "def" real,
  "pts_for" real,
  "pts_agst" real,
  "pair" real,
  "long" real,
  "points" real,
  "average" text
);
SELECT "average" FROM "season_2006" WHERE "club"='Chesterfield Spires';