CREATE TABLE table_27973 ("#" FLOAT, "Airdate" CLOB, "No. of couples" FLOAT, "First couple" CLOB, "Second couple" CLOB, "Third couple" CLOB, "Fourth couple" CLOB, "Viewers  ( millions ) " CLOB, "ITV1 weekly ranking" FLOAT)

Who was the second couple for the episode having an ITV1 ranking of 29?
SELECT "Second couple" FROM table_27973 WHERE "ITV1 weekly ranking" = '29'
SELECT "Second couple" FROM "table_27973" WHERE "ITV1 weekly ranking" = '29'