[['series', 'season', 'title', 'directed by', 'written by', 'original air date', 'production code', 'us viewers (millions)'], ['169', '1', 'day 8: 4:00 pm - 5:00 pm', 'brad turner', 'howard gordon & evan katz', 'january 17 , 2010', '8aff01', '11.50'], ['171', '3', 'day 8: 6:00 pm - 7:00 pm', 'milan cheylov', 'david fury & alex gansa', 'january 18 , 2010', '8aff03', '10.56'], ['172', '4', 'day 8: 7:00 pm - 8:00 pm', 'milan cheylov', 'chip johannessen & patrick harbinson', 'january 18 , 2010', '8aff04', '11.45'], ['174', '6', 'day 8: 9:00 pm - 10:00 pm', 'brad turner', 'manny coto & brannon braga', 'february 1 , 2010', '8aff06', '9.76'], ['175', '7', 'day 8: 10:00 pm - 11:00 pm', 'milan cheylov', 'chip johannessen & patrick harbinson', 'february 8 , 2010', '8aff07', '10.18'], ['176', '8', 'day 8: 11:00 pm - 12:00 am', 'milan cheylov', 'david fury', 'february 15 , 2010', '8aff08', '8.49'], ['178', '10', 'day 8: 1:00 am - 2:00 am', 'brad turner', 'manny coto & brannon braga', 'march 1 , 2010', '8aff10', '8.56'], ['179', '11', 'day 8: 2:00 am - 3:00 am', 'nelson mccormick', 'evan katz & david fury', 'march 8 , 2010', '8aff11', '8.91'], ['180', '12', 'day 8: 3:00 am - 4:00 am', 'nelson mccormick', 'chip johannessen & patrick harbinson', 'march 15 , 2010', '8aff12', '9.03'], ['182', '14', 'day 8: 5:00 am - 6:00 am', 'milan cheylov', 'story : evan katz teleplay : alex gansa', 'march 29 , 2010', '8aff14', '8.31'], ['183', '15', 'day 8: 6:00 am - 7:00 am', 'brad turner', 'chip johannessen & patrick harbinson', 'april 5 , 2010', '8aff15', '6.62'], ['184', '16', 'day 8: 7:00 am - 8:00 am', 'brad turner', 'manny coto & brannon braga', 'april 5 , 2010', '8aff16', '7.90'], ['185', '17', 'day 8: 8:00 am - 9:00 am', 'milan cheylov', 'david fury', 'april 12 , 2010', '8aff17', '8.33'], ['186', '18', 'day 8: 9:00 am - 10:00 am', 'milan cheylov', 'chip johannessen & patrick harbinson', 'april 19 , 2010', '8aff18', '8.94'], ['187', '19', 'day 8: 10:00 am - 11:00 am', 'michael klick', 'manny coto & brannon braga', 'april 26 , 2010', '8aff19', '9.19'], ['188', '20', 'day 8: 11:00 am - 12:00 pm', 'michael klick', 'story : alex gansa teleplay : evan katz & alex gansa', 'may 3 , 2010', '8aff20', '9.00'], ['189', '21', 'day 8: 12:00 pm - 1:00 pm', 'milan cheylov', 'chip johannessen & patrick harbinson', 'may 10 , 2010', '8aff21', '8.51'], ['190', '22', 'day 8: 1:00 pm - 2:00 pm', 'milan cheylov', 'david fury', 'may 17 , 2010', '8aff22', '8.98'], ['191', '23', 'day 8: 2:00 pm - 3:00 pm', 'brad turner', 'shauna mcgarry & geoff aull', 'may 24 , 2010', '8aff23', '8.39']]
Series 183 had the least number of Viewer
[ENT] [ENT] had the least number of [ENT]