Table:
0
A
B
C
D
E
1
Poll Source
Dates administered
Democrat: Jim Martin
Republican: Saxby Chambliss
Lead Margin
2
Public Policy Polling
November 2, 2008
46%
48%
2
3
Survey USA
November 2, 2008
44%
48%
4
4
Rasmussen Reports
October 30, 2008
43%
48%
5
5
Rasmussen Reports
October 22, 2008
45%
47%
2
6
Survey USA
October 12, 2008
43%
46%
3
7
Rasmussen Reports
October 7, 2008
44%
50%
6
8
Research 2000/Daily Kos
October 1, 2008
44%
45%
1
9
Survey USA
September 29, 2008
44%
46%
2
10
Rasmussen Reports
September 16, 2008
43%
50%
7
11
Survey USA
September 14-September 16, 2008
36%
53%
17
12
Strategic Vision
September 7-September 9, 2008
36%
54%
16
13
Rasmussen Reports
August 14, 2008
44%
50%
6
14
Rasmussen Reports
July 17, 2008
40%
51%
11
15
Strategic Vision
June 27-June 29, 2008
28%
57%
29
16
Rasmussen Reports
June 26, 2008
39%
52%
13
17
Rasmussen Reports
June 4, 2008
36%
52%
16
18
Rasmussen Reports
May 6, 2008
33%
54%
21

Questions and formulas:
Question: What is the date administered where Saxby Chambliss is 54% and Jim Martin is 36%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="54%")*(C1="36%")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E18,(D2:D18="54%")*(C2:C18="36%")),2))
Level: medium
Question: How many times did Saxby Chambliss have a lead margin of 21?
Formula: ROWS(UNIQUE(FILTER(D1, E1=21)))
Formula2: ROWS(UNIQUE(FILTER(D2:D18, E2:E18=21)))
Level: medium