Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Pennsylvania 3
Hardie Scott
Republican
1946
Retired Democratic gain
James A. Byrne (D) 58.4% Morton Witkin (R) 41.6%
3
Pennsylvania 9
Paul B. Dague
Republican
1946
Re-elected
Paul B. Dague (R) 66.2% Philip E. Ragan (D) 33.8%
4
Pennsylvania 12
Ivor D. Fenton
Republican
1938
Re-elected
Ivor D. Fenton (R) 60.7% Peter Krehel (D) 39.3%
5
Pennsylvania 23
Leon H. Gavin Redistricted from 19th
Republican
1942
Re-elected
Leon H. Gavin (R) 67.8% Fred C. Barr (D) 32.2%
6
Pennsylvania 25
Louis E. Graham
Republican
1938
Re-elected
Louis E. Graham (R) 50.4% Frank M. Clark (D) 49.6%

Questions and formulas:
Question: Which district had Paul B. Dague as the incumbent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Paul B. Dague"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,B2:B6="Paul B. Dague"),1))
Level: medium