[['', 'air date', 'no of couples', '1st couple', '2nd couple', '3rd couple', '4th couple', 'viewers (millions)', 'itv weekly ranking'], ['1', '5 january 2013', '3', 'ben and lily', 'param (n / a)', 'adam and lucy - may', 'jason and jo', '4.13', '18'], ['2', '12 january 2013', '3', 'sam and georgia', 'will (n / a)', 'dan and danni', 'troy and naomi', '4.38', '19'], ['3', '19 january 2013', '3', 'adam (n / a)', 'stephen and bianca', 'callum and nikita', 'darren and daisy', '4.47', '19'], ['4', '26 january 2013', '4', 'matt and megan', 'chris and kate', 'will and thuy', 'morakinyo and claire', '3.97', '21'], ['5', '2 february 2013', '4', 'stuart and robyn', 'sen and jade', 'russell and miki', 'gavin and gemma', '4.01', '19'], ['6', '9 february 2013', '4', 'chris and janet', 'ashley and rach', 'james and daniella', 'david and george', '3.58', '21'], ['7', '16 february 2013', '3', 'joe and julia', 'matt and charlotte', 'glenn and alanna', 'owen (n / a)', '3.80', '16']]
there was a difference of 89 Viewer between the episode with the largest amount of Viewer and the least amount of Viewer
there was a difference of 89 [ENT] between the episode with the largest amount of [ENT] and the least amount of [ENT]