CREATE TABLE table_24207 ("Order" FLOAT, "Couple" TEXT, "Karen" TEXT, "Nicky" TEXT, "Jason" TEXT, "Ruthie" TEXT, "Robin" TEXT, "Total" TEXT, "Scoreboard" TEXT, "Song" TEXT, "Public Vote %" TEXT, "Result" TEXT)

Name the scoreboard for total being 23.5
SELECT "Scoreboard" FROM table_24207 WHERE "Total" = '23.5'
SELECT "Scoreboard" FROM "table_24207" WHERE "Total" = '23.5'