Question: what is the giro wins when jerseys is 2, country is portugal and young rider is more than 0?
SQL: SELECT SUM("Giro wins") FROM "2-18661024-3" WHERE "Jerseys" = 2.0 AND "Country" = 'portugal' AND "Young rider" > 0.0;

Question: 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?
SQL: SELECT MAX("Jerseys") FROM "2-18661024-3" WHERE "Points" = 0.0 AND "Different holders" < 3.0 AND "Giro wins" < 1.0 AND "Young rider" > 1.0;

Question: how many times is young rider more than 0, country is france and points less than 1?
SQL: SELECT COUNT("Jerseys") FROM "2-18661024-3" WHERE "Young rider" > 0.0 AND "Country" = 'france' AND "Points" < 1.0;

Question: what is the least different holders when the country is ireland and giro wins is less than 1?
SQL: SELECT MIN("Different holders") FROM "2-18661024-3" WHERE "Country" = 'ireland' AND "Giro wins" < 1.0;