If the vote percentage is 2.111%, what was the minimum rank?
CREATE TABLE "table1_19744915_17" (
  "rank" real,
  "couple" text,
  "judges" real,
  "public" real,
  "total" real,
  "vote_percentage" text,
  "result" text
);
SELECT MIN("rank") FROM "table1_19744915_17" WHERE "vote_percentage"='2.111%';