What is the highest goals against the goalkeeper of Dallas Burn, who had a GA average larger than 1.46, had?
CREATE TABLE "goalkeeping_leaders" (
  "player" text,
  "club" text,
  "games_played" real,
  "minutes" real,
  "goals_against" real,
  "ga_average" real,
  "wins" real,
  "loses" real
);
SELECT MAX("goals_against") FROM "goalkeeping_leaders" WHERE "club"='dallas burn' AND "ga_average">1.46;