Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Illinois 3
Edward A. Kelly
Democratic
1944
Lost re-election Republican gain
Fred E. Busbey (R) 57.2% Edward A. Kelly (D) 42.8%
3
Illinois 4
Martin Gorski
Democratic
1942
Re-elected
Martin Gorski (D) 70.7% John T. Parsons (R) 29.3%
4
Illinois 13
Leo E. Allen
Republican
1932
Re-elected
Leo E. Allen (R) 77.8% Michael M. Kinney (D) 22.2%
5
Illinois 17
Leslie C. Arends
Republican
1934
Re-elected
Leslie C. Arends (R) 71.2% Carl Vrooman (D) 28.8%
6
Illinois 18
Jessie Sumner
Republican
1938
Retired Republican hold
Edward H. Jenison (R) 65.1% C. E. Spang (D) 34.9%
7
Illinois 20
Sid Simpson
Republican
1942
Re-elected
Sid Simpson (R) 58.8% Don Irving (D) 41.2%
8
Illinois 22
Melvin Price
Democratic
1944
Re-elected
Melvin Price (D) 50.7% Calvin D. Johnson (R) 49.3%
9
Illinois 24
Roy Clippinger
Republican
1945
Re-elected
Roy Clippinger (R) 58.9% Edward Hines (D) 41.1%

Questions and formulas:
Question: What district is incumbent melvin price from?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Melvin Price"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,B2:B9="Melvin Price"),1))
Level: medium
Question: What district is incumbent sid simpson from?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Sid Simpson"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,B2:B9="Sid Simpson"),1))
Level: medium