Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Louisiana 1
F. Edward Hebert
Democratic
1940
Re-elected
F. Edward Hebert (D) Unopposed
3
Louisiana 2
Hale Boggs
Democratic
1946
Re-elected
Hale Boggs (D) 67.2% David C. Treen (R) 32.8%
4
Louisiana 3
Edwin E. Willis
Democratic
1948
Re-elected
Edwin E. Willis (D) Unopposed
5
Louisiana 4
Joe Waggonner
Democratic
1961
Re-elected
Joe Waggonner (D) Unopposed
6
Louisiana 5
Otto Passman
Democratic
1946
Re-elected
Otto Passman (D) Unopposed
7
Louisiana 6
James H. Morrison
Democratic
1942
Re-elected
James H. Morrison (D) Unopposed

Questions and formulas:
Question: How many districts represented Edwin E. Willis?
Formula: ROWS(UNIQUE(FILTER(A1, B1="Edwin E. Willis")))
Formula2: ROWS(UNIQUE(FILTER(A2:A7, B2:B7="Edwin E. Willis")))
Level: medium
Question: Who were all the candidates when the first elected year was 1961?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=1961),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7=1961),6))
Level: medium
Question: What party did Hale Boggs belong to?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Hale Boggs"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="Hale Boggs"),3))
Level: medium