What is Top Division Debut, when Tournaments is "12", and when Name is "Yamamotoyama"?
CREATE TABLE "fastest_progress_to_top_division" (
  "name" text,
  "tournaments" real,
  "pro_debut" text,
  "top_division_debut" text,
  "highest_rank" text
);
SELECT "top_division_debut" FROM "fastest_progress_to_top_division" WHERE "tournaments"=12 AND "name"='yamamotoyama';