Table:
text: According to Jim
U.S. television ratings
U.S. television ratings
Season Timeslot Premiere Finale TV_season Ranking Viewers_in_millions
1st Wednesday 8:30 p.m. October 3, 2001 May 15, 2002 2001–2002 #55 10.0
2nd Tuesday 8:30 p.m. October 1, 2002 May 20, 2003 2002–2003 #51 10.3
3rd Tuesday 9:00 p.m. September 23, 2003 May 25, 2004 2003–2004 #51 10.0
4th Tuesday 9:00 p.m. September 21, 2004 May 17, 2005 2004–2005 #47 10.0
5th Tuesday 8:00 p.m. September 20, 2005 May 2, 2006 2005–2006 #90 6.7
6th Wednesday 9:00 p.m. January 3, 2007 May 16, 2007 2006–2007 #119 6.8
7th Tuesday 9:00 p.m. January 1, 2008 March 11, 2008 2007–2008 #146 5.3

text: According to Jim
U.S. television ratings
U.S. television ratings
Season Timeslot Premiere Finale TV_season Ranking Viewers_in_millions
7th Tuesday 8:30 p.m. April 15, 2008 May 27, 2008 2007–2008 #171 4.1
8th Tuesday 9:00 p.m. December 2, 2008 December 30, 2008 2008–2009 #104 5.6
8th Tuesday 9:30 p.m. December 2, 2008 December 30, 2008 2008–2009 #127 4.8
8th Tuesday 8:00 p.m. April 14, 2009 June 2, 2009 2008–2009 #148 3.8

Question: According to Jim, what is each viewer value for rank 51 for the 9:00 p.m. Tuesday timeslot?