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) 98.8% Joe C. Hailey (R) 1.2%
3
Texas 2
Martin Dies, Jr.
Democratic
1930
Re-elected
Martin Dies, Jr. (D) Unopposed
4
Texas 3
Morgan G. Sanders
Democratic
1920
Lost renomination Democratic hold
Lindley Beckworth (D) Unopposed
5
Texas 4
Sam Rayburn
Democratic
1912
Re-elected
Sam Rayburn (D) 97.9% Ross E. Johnson (R) 2.1%
6
Texas 6
Luther A. Johnson
Democratic
1922
Re-elected
Luther A. Johnson (D) Unopposed
7
Texas 7
Nat Patton
Democratic
1934
Re-elected
Nat Patton (D) Unopposed
8
Texas 9
Joseph J. Mansfield
Democratic
1916
Re-elected
Joseph J. Mansfield (D) Unopposed
9
Texas 10
Lyndon B. Johnson
Democratic
1937
Re-elected
Lyndon B. Johnson (D) Unopposed
10
Texas 11
William R. Poage
Democratic
1936
Re-elected
William R. Poage (D) 98.6% D. E. Wooley (R) 1.4%
11
Texas 12
Fritz G. Lanham
Democratic
1919
Re-elected
Fritz G. Lanham (D) Unopposed
12
Texas 13
William D. McFarlane
Democratic
1932
Lost renomination Democratic hold
Ed Gossett (D) 98.6% Adolph Lohman (R) 1.4%
13
Texas 14
Richard M. Kleberg
Democratic
1931
Re-elected
Richard M. Kleberg (D) Unopposed
14
Texas 15
Milton H. West
Democratic
1933
Re-elected
Milton H. West (D) Unopposed
15
Texas 16
R. Ewing Thomason
Democratic
1930
Re-elected
R. Ewing Thomason (D) Unopposed
16
Texas 17
Clyde L. Garrett
Democratic
1936
Re-elected
Clyde L. Garrett (D) Unopposed
17
Texas 18
John Marvin Jones
Democratic
1916
Re-elected
John Marvin Jones (D) Unopposed
18
Texas 19
George H. Mahon
Democratic
1934
Re-elected
George H. Mahon (D) Unopposed

Questions and formulas:
Question: Who are all the candidates when Sam Rayburn was incumbent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Sam Rayburn"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F18,B2:B18="Sam Rayburn"),6))
Level: medium
Question: What was the party that was frist elected in 1919?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=1919),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F18,D2:D18=1919),3))
Level: medium