Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Louisiana 1
James O'Connor
Democratic
1918
Re-elected
James O'Connor (D) Unopposed
3
Louisiana 2
James Zacharie Spearing
Democratic
1924
Re-elected
James Zacharie Spearing (D) Unopposed
4
Louisiana 3
Whitmell P. Martin
Democratic
1914
Re-elected
Whitmell P. Martin (D) Unopposed
5
Louisiana 4
John N. Sandlin
Democratic
1920
Re-elected
John N. Sandlin (D) Unopposed
6
Louisiana 5
Riley Joseph Wilson
Democratic
1914
Re-elected
Riley Joseph Wilson (D) Unopposed
7
Louisiana 6
George K. Favrot
Democratic
1920
Lost renomination Democratic hold
Bolivar E. Kemp (D) Unopposed
8
Louisiana 7
Ladislas Lazaro
Democratic
1912
Re-elected
Ladislas Lazaro (D) Unopposed

Questions and formulas:
Question:  how many party with incumbent being whitmell p. martin
Formula: ROWS(UNIQUE(FILTER(C1, B1="Whitmell P. Martin")))
Formula2: ROWS(UNIQUE(FILTER(C2:C8, B2:B8="Whitmell P. Martin")))
Level: medium
Question: who is the the candidates with incumbent being james o'connor
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="James O'Connor"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,B2:B8="James O'Connor"),6))
Level: medium
Question:  how many incumbent with first elected being 1924
Formula: ROWS(UNIQUE(FILTER(B1, D1=1924)))
Formula2: ROWS(UNIQUE(FILTER(B2:B8, D2:D8=1924)))
Level: medium