What is the smallest total number of medals for rank 11 and more than 0 silver medals?
CREATE TABLE "all_time_medal_tables" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("total") FROM "all_time_medal_tables" WHERE "rank"='11' AND "silver">0;