Table:
text: Take Me Out (UK game show)
Series 1
Series 1
_ Airdate No_of_couples First_couple Second_couple Third_couple Fourth_couple Viewers_millions ITV1_weekly_ranking
6 6 February 2010 3 Jonathan and Helen Nathan and Shakira N/A Darren and Josephine 5.42 19
7 13 February 2010 3 Arton and Crystal James and Claire-Louise N/A Sammy and Nat 4.71 19

Question: Who was the first couple in the series 1 episode of Take Me Out (UK game show) to have a fourth couple Sammy and Nat?

Question: What is the ITV1 minimum rating for the episode of Take Me Out (UK game show) with a viewership of 5.42 million series 1?