What was the highest number of yards in years where there were fewer than 51 rushes and more than 12 games?
CREATE TABLE "career_rushing_statistics_at_ohio_state" (
  "year" text,
  "games" real,
  "rushes" real,
  "yards" real,
  "average" real
);
SELECT MAX("yards") FROM "career_rushing_statistics_at_ohio_state" WHERE "rushes"<51 AND "games">12;