what is the least bronze when the nation is soviet union and the total is less than 11?
CREATE TABLE "medals_table" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("bronze") FROM "medals_table" WHERE "nation"='soviet union' AND "total"<11;