Which Average Cards a game has a Season of 1997/1998, and a Games larger than 38?
CREATE TABLE "career_stats" (
  "season" text,
  "games" real,
  "yellow_cards" real,
  "red_cards" real,
  "average_cards_a_game" real
);
SELECT MAX("average_cards_a_game") FROM "career_stats" WHERE "season"='1997/1998' AND "games">38;