what is the least different holders when the country is ireland and giro wins is less than 1?
CREATE TABLE "per_country" (
  "rank" text,
  "country" text,
  "jerseys" real,
  "giro_wins" real,
  "points" real,
  "young_rider" real,
  "most_recent_cyclist" text,
  "most_recent_date" text,
  "different_holders" real
);
SELECT MIN("different_holders") FROM "per_country" WHERE "country"='ireland' AND "giro_wins"<1;