CREATE TABLE "1998_99_season_as_a_three_year_old" (
  "result" text,
  "date" text,
  "race" text,
  "venue" text,
  "group" text,
  "distance" text,
  "weight_kg" text,
  "jockey" text,
  "winner_2nd" text
);

Question: What group was sunline in when he was at moonee valley?
SQL: SELECT "group" FROM "1998_99_season_as_a_three_year_old" WHERE "venue"='Moonee Valley';