CREATE TABLE "table1_21234111_6" (
  "order" real,
  "couple" text,
  "karen" text,
  "nicky" text,
  "jason" text,
  "ruthie" text,
  "robin" text,
  "total" text,
  "scoreboard" text,
  "song" text,
  "public_vote_pct" text,
  "result" text
);

Question: Name the scoreboard for total being 23.5
SQL: SELECT "scoreboard" FROM "table1_21234111_6" WHERE "total"='23.5';

Question: Name the jason for public vote being 19.20%
SQL: SELECT "jason" FROM "table1_21234111_6" WHERE "public_vote_pct"='19.20%';

Question: Name the nicky for  " take a chance on me "– abba
SQL: SELECT "nicky" FROM "table1_21234111_6" WHERE "song"='\" Take a Chance on Me \"– ABBA';

Question: Name the number of song for scoreboard being 3rd
SQL: SELECT COUNT("song") FROM "table1_21234111_6" WHERE "scoreboard"='3rd';