How many years had 54 holes and a 2 shot lead?
CREATE TABLE "wins_14" (
  "year" real,
  "championship" text,
  "54_holes" text,
  "winning_score" text,
  "margin" text,
  "runner_s_up" text
);
SELECT COUNT("year") FROM "wins_14" WHERE "54_holes"='2 shot lead';