Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
California 1
Hubert B. Scudder
Republican
1948
Re-elected
Hubert B. Scudder (R) 54.0% Roger Kent (D) 46.0%
3
California 2
Clair Engle
Democratic
1943
Re-elected
Clair Engle (D) Unopposed
4
California 3
J. Leroy Johnson
Republican
1942
Re-elected
J. Leroy Johnson (R) Unopposed
5
California 5
John Shelley
Democratic
1949
Re-elected
John Shelley (D) Unopposed
6
California 6
George Paul Miller
Democratic
1944
Re-elected
George Paul Miller (D) Unopposed
7
California 9
Cecil F. White
Democratic
1948
Lost re-election Republican gain
Allan O. Hunter (R) 52.0% Cecil F. White (D) 48.0%
8
California 17
Cecil R. King
Democratic
1942
Re-elected
Cecil R. King (D) Unopposed
9
California 18
Clyde Doyle
Democratic
1948
Re-elected
Clyde Doyle (D) 50.5% Craig Hosmer (R) 49.5%

Questions and formulas:
Question: How many candidates were there in the race where Cecil R. King is the incumbent?
Formula: ROWS(UNIQUE(FILTER(F1, B1="Cecil R. King")))
Formula2: ROWS(UNIQUE(FILTER(F2:F9, B2:B9="Cecil R. King")))
Level: medium
Question: How many districts have an incumbent first elected in 1944?
Formula: ROWS(UNIQUE(FILTER(A1, D1=1944)))
Formula2: ROWS(UNIQUE(FILTER(A2:A9, D2:D9=1944)))
Level: medium