What is the minimum ITV1 ranking for the episode having viewership of 5.42 million?
CREATE TABLE table_25664518_3 (itv1_weekly_ranking INTEGER, viewers__millions_ VARCHAR)
SELECT MIN(itv1_weekly_ranking) FROM table_25664518_3 WHERE viewers__millions_ = "5.42"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25664518_3 (itv1_weekly_ranking INTEGER, viewers__millions_ VARCHAR) Question: What is the minimum ITV1 ranking for the episode having viewership of 5.42 million? [/INST] SELECT MIN(itv1_weekly_ranking) FROM table_25664518_3 WHERE viewers__millions_ = "5.42" </s>