Question: What is the average number of silver medals for countries with 0 gold and rank under 3?
SQL: SELECT AVG("Silver") FROM "2-14140556-5" WHERE "Gold" = 0.0 AND "Rank" < 3.0;

Question: What is the average gold medals for countries with more than 0 bronze, more than 0 silver, rank over 2 and total over 3?
SQL: SELECT AVG("Gold") FROM "2-14140556-5" WHERE "Bronze" > 0.0 AND "Silver" > 0.0 AND "Rank" > 2.0 AND "Total" > 3.0;