Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Illinois 3
Fred E. Busbey
Republican
1942
Lost re-election Democratic gain
Edward A. Kelly (D) 52.0% Fred E. Busbey (R) 48.0%
3
Illinois 4
Martin Gorski
Democratic
1942
Re-elected
Martin Gorski (D) 80.4% Leo J. Kozicki (R) 19.6%
4
Illinois 5
Adolph J. Sabath
Democratic
1906
Re-elected
Adolph J. Sabath (D) 76.3% Max Price (R) 23.7%
5
Illinois 12
Noah M. Mason
Republican
1936
Re-elected
Noah M. Mason (R) 61.0% Herbert J. Max (D) 39.0%
6
Illinois 13
Leo E. Allen
Republican
1932
Re-elected
Leo E. Allen (R) 70.0% Garett J. Schutt (D) 30.0%
7
Illinois 16
Everett Dirksen
Republican
1932
Re-elected
Everett Dirksen (R) 59.0% M. R. Clark (D) 41.0%
8
Illinois 18
Jessie Sumner
Republican
1938
Re-elected
Jessie Sumner (R) 56.9% Carl B. Jewell (D) 43.1%
9
Illinois 20
Sid Simpson
Republican
1942
Re-elected
Sid Simpson (R) 55.6% Don Irving (D) 44.4%
10
Illinois 22
Calvin D. Johnson
Republican
1942
Lost re-election Democratic gain
Melvin Price (D) 50.8% Calvin D. Johnson (R) 49.2%

Questions and formulas:
Question: Who were the candidates when Noah M. Mason was incumbent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Noah M. Mason"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,B2:B10="Noah M. Mason"),6))
Level: medium
Question: In what year was Leo E. Allen first elected?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Leo E. Allen"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,B2:B10="Leo E. Allen"),4))
Level: medium
Question: Who were the candidates when Sid Simpson was the incumbent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Sid Simpson"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,B2:B10="Sid Simpson"),6))
Level: medium