What is the highest run ratio Japan, which has less than 58 runs and 5 wins, have?
CREATE TABLE "pool_a" (
  "rank" real,
  "team" text,
  "wins" real,
  "losses" real,
  "runs_allowed" real,
  "run_ratio" real
);
SELECT MAX("run_ratio") FROM "pool_a" WHERE "runs_allowed"<58 AND "wins"=5 AND "team"='japan';