Question: How many bronze medals for the united kingdom when the silver was less than 0?
SQL: SELECT AVG("Bronze") FROM "2-18715280-4" WHERE "Nation" = 'united kingdom' AND "Silver" < 0.0;

Question: How many bronze medals for west germany having a total more than 2?
SQL: SELECT COUNT("Bronze") FROM "2-18715280-4" WHERE "Total" > 2.0 AND "Nation" = 'west germany';

Question: What is the amount of silver for rank 11 having less than 0 gold?
SQL: SELECT MIN("Silver") FROM "2-18715280-4" WHERE "Rank" = '11' AND "Gold" < 0.0;

Question: What rank is Bulgaria with less than 3 silver and more than 1 bronze?
SQL: SELECT "Rank" FROM "2-18715280-4" WHERE "Silver" < 3.0 AND "Bronze" > 1.0 AND "Nation" = 'Bulgaria';