Table:
0
A
B
C
D
E
F
G
H
I
1
Season
Network
Time slot
Season premiere
Season finale
Episode count
TV season
Season rank
Viewers (in millions)
2
1
NBC
Monday 10:00 pm
January 3, 2005
May 23, 2005
16
2004–2005
#19
13.9
3
2
NBC
Monday 10:00 pm
September 19, 2005
May 22, 2006
22
2005–2006
#31
11.2
4
3
NBC
Wednesday 10:00 pm
November 15, 2006
May 16, 2007
22
2006–2007
#51
8.3
5
4
NBC
Monday 10:00 pm
January 7, 2008
May 12, 2008
16
2007–2008
#41
10.47
6
5
NBC
Monday 10:00 pm
February 2, 2009
June 1, 2009
19
2008–2009
#61
8.45
7
6
CBS
Friday 9:00 pm
September 25, 2009
May 21, 2010
22
2009–2010
#53
7.79
8
7
CBS
Friday 8:00 pm
September 24, 2010
January 21, 2011
13
2010–2011
#57
7.8

Questions and formulas:
Question: How many total episodes aired over all seasons with 7.79 million viewers?
Formula: SUM(FILTER(F1, I1=7.79))
Formula2: SUM(FILTER(F2:F8, I2:I8=7.79))
Level: easy