What was the lowest squad with 0 goals?
CREATE TABLE "2008_season_players_current_to_round_19_" (
  "player" text,
  "squad_no" real,
  "appearances" real,
  "tries" real,
  "goals" real,
  "f_goals" real,
  "points" real,
  "contract_ends" real
);
SELECT MIN("squad_no") FROM "2008_season_players_current_to_round_19_" WHERE "goals"<0;