What is To Par, when Year(s) Won is "1968 , 1971"?
CREATE TABLE "missed_the_cut" (
  "player" text,
  "country" text,
  "year_s_won" text,
  "total" real,
  "to_par" real
);
SELECT "to_par" FROM "missed_the_cut" WHERE "year_s_won"='1968 , 1971';