Looking only at matches occurring after Game 51, who was the opponent for the game that ended with a score of 99-129?
CREATE TABLE "game_log" (
  "game" real,
  "date" text,
  "opponent" text,
  "score" text,
  "location" text,
  "record" text
);
SELECT "opponent" FROM "game_log" WHERE "game">51 AND "score"='99-129';