Table:
0
A
B
C
D
E
1
Episode no.
Airdate
Viewers
BBC Three weekly ranking
Cable rank
2
1
25 April 2013
979,000
2
9
3
2
2 May 2013
978,000
1
11
4
3
9 May 2013
885,000
1
11
5
4
16 May 2013
880,000
1
13
6
5
23 May 2013
1,092,000
1
5
7
6
30 May 2013
1,094,000
1
3
8
7
6 June 2013
975,000
2
6
9
8
13 June 2013
840,000
5
19
10
9
20 June 2013
1,204,000
6
9
11
10
27 June 2013
730,000
N/A
28
12
11
4 July 2013
N/A
N/A
N/A

Questions and formulas:
Question: Which episode had bbc ranking and canle ranking of n/a?
Formula: SUM(FILTER(A1, (D1="N/A")*(E1="N/A")))
Formula2: SUM(FILTER(A2:A12, (D2:D12="N/A")*(E2:E12="N/A")))
Level: easy
Question: List the number of bbc rankings with cable rankings of 6.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="6"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,E2:E12="6"),4))
Level: medium
Question: List the number of viewers when the cable rank for Russell Howard's Good New was 5.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="5"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E12,E2:E12="5"),3))
Level: medium
Question: How many individuals watched the show that had a bbc ranking of 6?
Formula: ROWS(UNIQUE(FILTER(C1, D1="6")))
Formula2: ROWS(UNIQUE(FILTER(C2:C12, D2:D12="6")))
Level: medium