Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Texas 1
Wright Patman
Democratic
1928
Re-elected
Wright Patman (D) Unopposed
3
Texas 2
Jack Brooks
Democratic
1952
Re-elected
Jack Brooks (D) Unopposed
4
Texas 3
Brady P. Gentry
Democratic
1952
Re-elected
Brady P. Gentry (D) Unopposed
5
Texas 4
Sam Rayburn
Democratic
1912
Re-elected
Sam Rayburn (D) Unopposed
6
Texas 5
Joseph Franklin Wilson
Democratic
1946
Retired Republican gain
Bruce R. Alger (R) 52.9% Wallace Savage (D) 47.1%
7
Texas 6
Olin E. Teague
Democratic
1946
Re-elected
Olin E. Teague (D) Unopposed
8
Texas 7
John Dowdy
Democratic
1952
Re-elected
John Dowdy (D) Unopposed
9
Texas 9
Clark W. Thompson
Democratic
1947
Re-elected
Clark W. Thompson (D) Unopposed
10
Texas 10
Homer Thornberry
Democratic
1948
Re-elected
Homer Thornberry (D) Unopposed
11
Texas 11
William R. Poage
Democratic
1936
Re-elected
William R. Poage (D) Unopposed
12
Texas 12
Wingate H. Lucas
Democratic
1946
Lost renomination Democratic hold
Jim Wright (D) Unopposed
13
Texas 13
Frank N. Ikard
Democratic
1951
Re-elected
Frank N. Ikard (D) Unopposed
14
Texas 14
John E. Lyle, Jr.
Democratic
1944
Retired Democratic hold
John J. Bell (D) 93.8% D. C. DeWitt (R) 6.2%
15
Texas 15
Lloyd Bentsen
Democratic
1948
Retired Democratic hold
Joe M. Kilgore (D) Unopposed
16
Texas 16
Kenneth M. Regan
Democratic
1947
Lost renomination Democratic hold
J. T. Rutherford (D) Unopposed
17
Texas 17
Omar Burleson
Democratic
1946
Re-elected
Omar Burleson (D) Unopposed
18
Texas 19
George H. Mahon
Democratic
1934
Re-elected
George H. Mahon (D) Unopposed
19
Texas 20
Paul J. Kilday
Democratic
1938
Re-elected
Paul J. Kilday (D) Unopposed
20
Texas 21
O. C. Fisher
Democratic
1942
Re-elected
O. C. Fisher (D) Unopposed

Questions and formulas:
Question: Omar Burleson was the incumbent in what district? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Omar Burleson"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,B2:B20="Omar Burleson"),1))
Level: medium
Question: In what district was incumbent first elected in 1938? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=1938),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,D2:D20=1938),1))
Level: medium