What is the lowest total that has barbados as the nation with a bronze greater than 0?
CREATE TABLE "all_time_medal_table" (
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("total") FROM "all_time_medal_table" WHERE "nation"='barbados' AND "bronze">0;