Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Tennessee 2
John Jennings
Republican
1939
Re-elected
John Jennings (R) 56.6% Clay James (D) 43.4%
3
Tennessee 3
Estes Kefauver
Democratic
1939
Re-elected
Estes Kefauver (D) 68.7% Jerome Taylor (R) 31.3%
4
Tennessee 4
Albert Gore, Sr.
Democratic
1938
Re-elected
Albert Gore, Sr. (D) 88.9% H. E. McLean (R) 11.1%
5
Tennessee 6
W. Wirt Courtney
Democratic
1939
Re-elected
W. Wirt Courtney (D) Unopposed
6
Tennessee 7
Herron C. Pearson
Democratic
1934
Re-elected
Herron C. Pearson (D) Unopposed

Questions and formulas:
Question: What was the result in the Tennessee 6 district election?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Tennessee 6"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,A2:A6="Tennessee 6"),5))
Level: medium
Question: In how many districts was the incumbent Estes Kefauver? 
Formula: ROWS(UNIQUE(FILTER(A1, B1="Estes Kefauver")))
Formula2: ROWS(UNIQUE(FILTER(A2:A6, B2:B6="Estes Kefauver")))
Level: medium
Question: What is the latest year any of the incumbents were first elected? 
Formula: UNIQUE(D1)
Formula2: UNIQUE(D2:D6)
Level: easy
Question: What was the result of the Tennessee 2 district election? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Tennessee 2"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,A2:A6="Tennessee 2"),5))
Level: medium