CREATE TABLE "medals_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);

Question: Which Rank has a Nation of south korea, and a Silver larger than 0?
SQL: SELECT SUM("rank") FROM "medals_table" WHERE "nation"='south korea' AND "silver">0;

Question: Which Bronze has a Rank of 3, and a Silver larger than 0?
SQL: SELECT MIN("bronze") FROM "medals_table" WHERE "rank"=3 AND "silver">0;