Table:
0
A
B
C
D
E
F
G
1
Date(s) Released
Polling institute
Nationalist
Labour
Democratic Alternative
Undecided/ No answer
Lead
2
7 January 2012
The Sunday Times
25.2% (46.9%)¤
29.5% (52.1%)¤
1.0% (1.0%)¤
44.3%
4%
3
8 July 2012
Misco International
22%
32%
1%
45%
10%
4
14 October 2012
Misco International
22%
34%
1%
43%
12%
5
13 January 2013
The Sunday Times
27% (44%)¤
33% (54%)¤
1% (1%)¤
38%
6%
6
3 March 2013
Malta Today
28.2%
40.2%
2.4%
29.2%
12%

Questions and formulas:
Question: Which polling institute showed a lead of 6%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="6%"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,G2:G6="6%"),2))
Level: medium
Question: Which date released had a Democratic Alternative value of 1% and Labour of 34%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(E1="1%")*(D1="34%")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,(E2:E6="1%")*(D2:D6="34%")),1))
Level: medium
Question: What is the Nationalist share of the poll for the response in which Undecided/No Answer received 29.2%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="29.2%"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,F2:F6="29.2%"),3))
Level: medium
Question: What is the value of the Democratic Alternative for the poll released by Malta Today?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="malta today"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,B2:B6="malta today"),5))
Level: medium
Question: Which polling institute showed a lead of 12% and a Labour share of the poll at 40.2%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(G1="12%")*(D1="40.2%")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,(G2:G6="12%")*(D2:D6="40.2%")),2))
Level: medium