what is the highest jersey when points is 0, different holders is less than 3, giro wins is less than 1 and young rider is more 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 MAX("jerseys") FROM "per_country" WHERE "points"=0 AND "different_holders"<3 AND "giro_wins"<1 AND "young_rider">1;