CREATE TABLE "table1_19744915_22" (
  "rank" real,
  "couple" text,
  "judges" real,
  "public" real,
  "total" real,
  "vote_percentage" text,
  "result" text
);

Question: How many different total points does the couple ranked at number 5 have?
SQL: SELECT COUNT("total") FROM "table1_19744915_22" WHERE "rank"=5;

Question: What couple had vote percentage of 21.843%?
SQL: SELECT "couple" FROM "table1_19744915_22" WHERE "vote_percentage"='21.843%';

Question: How many judges points did the couple ranked at number 5 have?
SQL: SELECT MAX("judges") FROM "table1_19744915_22" WHERE "rank"=5;

Question: What couple had less than 2.0 points from the public?
SQL: SELECT "couple" FROM "table1_19744915_22" WHERE "public"<2.0;