Table:
0
A
B
C
D
E
F
G
1
Provider
Years
Free or pay
No. of channels
Colour
Digital
Transmission
2
(Unbranded VHF collection)
1936–1985
Free
2
No
No
Analogue terrestrial
3
405-line cable service
1938-?
Unknown
2
No
No
Analogue cable
4
Virgin [analogue]
1984–2009
Pay
35
Yes
No
Analogue cable
5
Sky [analogue]
1989–2001
Pay
Unknown
Yes
No
Analogue satellite
6
BSB
1990–1992
Pay
5
Yes
No
Analogue satellite
7
OnDigital / ITV Digital
1998–2002
Pay
Unknown
Yes
Yes
Digital terrestrial
8
KIT
1999–2006
Pay
Unknown
Yes
Yes
IPTV

Questions and formulas:
Question: Which provider is pay with analogue cable?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(C1="pay")*(G1="analogue cable")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,(C2:C8="pay")*(G2:G8="analogue cable")),1))
Level: medium
Question: What years are listed for analogue cable with 35 channels?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(G1="analogue cable")*(D1=35)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,(G2:G8="analogue cable")*(D2:D8=35)),2))
Level: medium