Who was the second couple for the episode having an ITV1 ranking of 29?
CREATE TABLE table_25664518_3 (second_couple VARCHAR, itv1_weekly_ranking VARCHAR)
SELECT second_couple FROM table_25664518_3 WHERE itv1_weekly_ranking = 29
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25664518_3 (second_couple VARCHAR, itv1_weekly_ranking VARCHAR) Question: Who was the second couple for the episode having an ITV1 ranking of 29? [/INST] SELECT second_couple FROM table_25664518_3 WHERE itv1_weekly_ranking = 29 </s>