Table:
0
A
B
C
D
E
F
1
Party
Marplan
Gallup
National Opinion Polls (NOP)
Opinion Research Centre (OPC)
Harris
2
Conservative
41.5%
42.0%
44.1%
46.5%
46.0%
3
Labour
50.2%
49.0%
48.2%
45.5%
48.0%
4
Liberal
7.0%
7.5%
6.4%
6.5%
5.0%
5
Others
1.3%
1.5%
1.3%
1.5%
1.0%
6
Labour lead
8.7%
7.0%
4.1%
-1.0%
2.0%
7
Fieldwork dates
June 11–14
June 14–16
June 12–16
June 13–17
May 20 - June 16

Questions and formulas:
Question: What is the percentage of the Labour Party on the Harris Poll
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Labour"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,A2:A7="Labour"),6))
Level: medium
Question: On all other parties the National option polls are at 1.3% where as the opinion research pole is at what percentage? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="1.3%"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="1.3%"),5))
Level: medium