CREATE TABLE "game_log" (
  "game" real,
  "date" text,
  "team" text,
  "score" text,
  "high_points" text,
  "high_assists" text,
  "location_attendance" text,
  "record" text
);

Question: Which team was the opponent on December 30?
SQL: SELECT "team" FROM "game_log" WHERE "date"='december 30';