Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Status
Opponent
2
Ohio1
David S. Mann
Democratic
1992
Defeated Republican gain
Steve Chabot (R) 56.1% David S. Mann (D) 43.9%
3
Ohio2
Rob Portman
Republican
1993
Re-elected
Rob Portman (R) 77.6% Les Mann (D) 22.4%
4
Ohio4
Mike Oxley
Republican
1981
Re-elected
Mike Oxley (R) unopposed
5
Ohio5
Paul Gillmor
Republican
1988
Re-elected
Paul Gillmor (R) 73.4% Jarrod Tudor (D) 26.6%
6
Ohio6
Ted Strickland
Democratic
1992
Defeated Republican gain
Frank Cremeans (R) 50.9% Ted Strickland (D) 49.1%
7
Ohio7
Dave Hobson
Republican
1991
Re-elected
Dave Hobson (R) unopposed
8
Ohio8
John Boehner
Republican
1990
Re-elected
John Boehner (R) unopposed
9
Ohio9
Marcy Kaptur
Democratic
1982
Re-elected
Marcy Kaptur (D) 75.3% Randy Whitman (R) 24.7%
10
Ohio11
Louis Stokes
Democratic
1968
Re-elected
Louis Stokes (D) 77.2% James J. Sykora (R) 22.8%
11
Ohio12
John Kasich
Republican
1982
Re-elected
John Kasich (R) 66.5% Cynthia L. Ruccia (D) 33.2%
12
Ohio14
Thomas C. Sawyer
Democratic
1986
Re-elected
Thomas C. Sawyer (D) 51.9% Lynn Slaby (R) 48.1%
13
Ohio15
Deborah Pryce
Republican
1992
Re-elected
Deborah Pryce (R) 70.7% Bill Buckel (D) 29.1%
14
Ohio16
Ralph Regula
Republican
1972
Re-elected
Ralph Regula (R) 75.0% J. Michael Finn (D) 25.0%

Questions and formulas:
Question: who is the the opponent with district being ohio12
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Ohio12"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,A2:A14="Ohio12"),6))
Level: medium
Question: what's the party with opponent being mike oxley (r) unopposed
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Mike Oxley (R) unopposed"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,F2:F14="Mike Oxley (R) unopposed"),3))
Level: medium
Question: what's the party with opponent being marcy kaptur (d) 75.3% randy whitman (r) 24.7%
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Marcy Kaptur (D) 75.3% Randy Whitman (R) 24.7%"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,F2:F14="Marcy Kaptur (D) 75.3% Randy Whitman (R) 24.7%"),3))
Level: medium
Question: what's the party with opponent being deborah pryce (r) 70.7% bill buckel (d) 29.1%
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Deborah Pryce (R) 70.7% Bill Buckel (D) 29.1%"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,F2:F14="Deborah Pryce (R) 70.7% Bill Buckel (D) 29.1%"),3))
Level: medium
Question:  how many status with first elected being 1968
Formula: ROWS(UNIQUE(FILTER(E1, D1=1968)))
Formula2: ROWS(UNIQUE(FILTER(E2:E14, D2:D14=1968)))
Level: medium
Question: what's the first elected with opponent being ralph regula (r) 75.0% j. michael finn (d) 25.0%
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Ralph Regula (R) 75.0% J. Michael Finn (D) 25.0%"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,F2:F14="Ralph Regula (R) 75.0% J. Michael Finn (D) 25.0%"),4))
Level: medium