What is the fewest number of bronze medals won among the nations ranked 12 that won no gold medals and 1 medal overall?
CREATE TABLE "canoe" (
  "rank" text,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT MIN("bronze") FROM "canoe" WHERE "total"=1 AND "rank"='12' AND "gold"<1;