what is the giro wins when jerseys is 2, country is portugal and young rider is more than 0?
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 SUM("giro_wins") FROM "per_country" WHERE "jerseys"=2 AND "country"='portugal' AND "young_rider">0;