Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Result
Candidates
2
Ohio 1
Tom Luken
Democratic
1974
Lost re-election Republican gain
Bill Gradison (R) 50.9% Tom Luken (D) 49.1%
3
Ohio 3
Charles W. Whalen, Jr.
Republican
1966
Re-elected
Charles W. Whalen, Jr. (R) Unopposed
4
Ohio 5
Del Latta
Republican
1958
Re-elected
Del Latta (R) 62.5% Bruce Edwards (D) 37.5%
5
Ohio 6
Bill Harsha
Republican
1960
Re-elected
Bill Harsha (R) 68.8% Lloyd Allan Wood (D) 31.2%
6
Ohio 12
Samuel L. Devine
Republican
1958
Re-elected
Samuel L. Devine (R) 50.9% Fran Ryan (D) 49.1%
7
Ohio 16
Ralph Regula
Republican
1972
Re-elected
Ralph Regula (R) 65.6% John G. Freedom (D) 34.4%
8
Ohio 18
Wayne L. Hays
Democratic
1948
Re-elected
Wayne L. Hays (D) 65.6% Ralph H. Romig (R) 34.4%
9
Ohio 21
Louis Stokes
Democratic
1968
Re-elected
Louis Stokes (D) 82.0% Bill Mack (R) 18.0%

Questions and formulas:
Question: Who were the candidates in the district won by the incumbent Del Latta?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Del Latta"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,B2:B9="Del Latta"),6))
Level: medium
Question: Who were the candidates in the districts that was first elected in 1966?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=1966),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,D2:D9=1966),6))
Level: medium