Question: How many bronze medals did the team have with 0 total silver and less than 3 total medals?
SQL: SELECT "Bronze" FROM "2-18938213-3" WHERE "Total" < 3.0 AND "Silver" > 0.0;

Question: What is the total number of bronze medals for the team with more than 4 silver and less than 30 gold medals?
SQL: SELECT COUNT("Bronze") FROM "2-18938213-3" WHERE "Silver" > 4.0 AND "Nation" = 'total' AND "Gold" < 30.0;