Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Results
Candidates
2
Pennsylvania 1
Bob Brady
Democratic
May 19, 1998 (special)
Re-elected
Bob Brady (D) 81% William Harrison (R) 17%
3
Pennsylvania 2
Chaka Fattah
Democratic
1994
Re-elected
Chaka Fattah (D) 86% Anne Marie Mulligan (R) 14%
4
Pennsylvania 3
Robert Borski
Democratic
1982
Re-elected
Robert Borski (D) 60% Charles Dougherty (R) 40%
5
Pennsylvania 4
Ron Klink
Democratic
1992
Re-elected
Ron Klink (D) 64% Mike Turzai (R) 36%
6
Pennsylvania 6
Tim Holden
Democratic
1992
Re-elected
Tim Holden (D) 61% John Meckley (R) 39%
7
Pennsylvania 7
Curt Weldon
Republican
1986
Re-elected
Curt Weldon (R) 72% Martin D'Urso (D) 28%
8
Pennsylvania 8
Jim Greenwood
Republican
1992
Re-elected
Jim Greenwood (R) 64% Bill Tuthill (D) 33%
9
Pennsylvania 9
Bud Shuster
Republican
1972
Re-elected
Bud Shuster (R) unopposed
10
Pennsylvania 10
Joe McDade
Republican
1962
Retired Republican hold
Don Sherwood (R) 49% Patrick Casey (D) 49%
11
Pennsylvania 11
Paul Kanjorski
Democratic
1984
Re-elected
Paul Kanjorski (D) 67% Stephen Urban (R) 33%
12
Pennsylvania 12
John Murtha
Democratic
1974
Re-elected
John Murtha (D) 68% Timothy Holloway (R) 32%
13
Pennsylvania 13
Jon D. Fox
Republican
1994
Lost re-election Democratic gain
Joe Hoeffel (D) 52% Jon D. Fox (R) 47%
14
Pennsylvania 14
William Coyne
Democratic
1980
Re-elected
William Coyne (D) 61% Bill Ravotti (R) 39%
15
Pennsylvania 15
Paul McHale
Democratic
1992
Retired Republican gain
Pat Toomey (R) 55% Roy Afflerbach (D) 45%
16
Pennsylvania 16
Joe Pitts
Republican
1996
Re-elected
Joe Pitts (R) 71% Robert Yorczyk (D) 29%
17
Pennsylvania 17
George Gekas
Republican
1982
Re-elected
George Gekas (R) unopposed
18
Pennsylvania 18
Mike Doyle
Democratic
1994
Re-elected
Mike Doyle (D) 68% Dick Walker (R) 32%
19
Pennsylvania 19
Bill Goodling
Republican
1974
Re-elected
Bill Goodling (R) 68% Linda Ropp (D) 29%
20
Pennsylvania 20
Frank Mascara
Democratic
1994
Re-elected
Frank Mascara (D) unopposed

Questions and formulas:
Question: When was Chaka Fattah first elected in the Pennsylvania 2 district? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Pennsylvania 2"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,A2:A20="Pennsylvania 2"),4))
Level: medium
Question: How many incumbents were first elected in 1984? 
Formula: ROWS(UNIQUE(FILTER(B1, D1=1984)))
Formula2: ROWS(UNIQUE(FILTER(B2:B20, D2:D20=1984)))
Level: medium
Question: When was incumbent Bud Shuster first elected? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Bud Shuster"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,B2:B20="Bud Shuster"),4))
Level: medium
Question: How many candidates ran in the election where Mike Doyle was the incumbent? 
Formula: ROWS(UNIQUE(FILTER(F1, B1="Mike Doyle")))
Formula2: ROWS(UNIQUE(FILTER(F2:F20, B2:B20="Mike Doyle")))
Level: medium
Question: Incumbent Tim Holden belonged to what party? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Tim Holden"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,B2:B20="Tim Holden"),3))
Level: medium
Question: In what district was Tim Holden the incumbent? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Tim Holden"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F20,B2:B20="Tim Holden"),1))
Level: medium