what is the victory margin with a 45,000 Winner's share
CREATE TABLE "winners" (
  "year" text,
  "champion" text,
  "country" text,
  "to_par" text,
  "margin_of_victory" text,
  "winner_s_share" text
);
SELECT "margin_of_victory" FROM "winners" WHERE "winner_s_share"='45,000';