CREATE TABLE table_4149 ("Couple" CLOB, "Week 1" FLOAT, "Week 2" FLOAT, "Week 3" FLOAT, "Week 4" CLOB, "Week 5" CLOB, "Week 6" CLOB, "Week 7" CLOB, "Week 8 Final" CLOB)

Which couple had a week 2 score of exactly 23?
SELECT "Couple" FROM table_4149 WHERE "Week 2" = '23'
SELECT "Couple" FROM "table_4149" WHERE "Week 2" = '23'