CREATE TABLE table_2670 ("Event" TEXT, "Season" TEXT, "Compulsory Dance  ( CD ) " TEXT, "Original Dance  ( OD ) " TEXT, "Free Dance  ( FD ) " TEXT, "Combined Total Score" TEXT)

In what even was the compulsory dance scored 23.75?
SELECT "Event" FROM table_2670 WHERE "Compulsory Dance (CD)" = '23.75'
SELECT "Event" FROM "table_2670" WHERE "Compulsory Dance (CD)" = '23.75'