Which To par has a Country of australia, and a Year(s) won of 1990?
CREATE TABLE "missed_the_cut" (
  "player" text,
  "country" text,
  "year_s_won" text,
  "total" real,
  "to_par" real
);
SELECT MIN("to_par") FROM "missed_the_cut" WHERE "country"='australia' AND "year_s_won"='1990';