Table:
0
A
B
C
D
E
F
1
District
Incumbent
Party
First elected
Results
Candidates
2
Michigan 1
Bart Stupak
Democratic
1992
Re-elected
Bart Stupak (D) 59% Chuck Yob (R) 41%
3
Michigan 2
Pete Hoekstra
Republican
1992
Re-elected
Pete Hoekstra (R) 65% Bob Shrauger (D) 34%
4
Michigan 3
Vern Ehlers
Republican
1993
Re-elected
Vern Ehlers (R) 65% Timothy Steele (D) 34%
5
Michigan 5
James Barcia
Democratic
1992
Re-elected
James Barcia (D) 75% Ronald Actis (R) 24%
6
Michigan 6
Fred Upton
Republican
1986
Re-elected
Fred Upton (R) 68% James Bupp (D) 30%
7
Michigan 7
Nick Smith
Republican
1992
Re-elected
Nick Smith (R) 62% Jennie Crittendon (D) 36%
8
Michigan 9
Dale Kildee
Democratic
1976
Re-elected
Dale Kildee (D) 62% Grant Garrett (R) 36%
9
Michigan 10
David Bonior
Democratic
1976
Re-elected
David Bonior (D) 65% Tom Turner (R) 34%
10
Michigan 13
Lynn Rivers
Democratic
1994
Re-elected
Lynn Rivers (D) 65% Carl Barry (R) 33%
11
Michigan 14
John Conyers Jr.
Democratic
1964
Re-elected
John Conyers Jr. (D) 90% William Ashe (R) 10%

Questions and formulas:
Question: Which party does the incumbent first elected in 1994 belong to?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1=1994),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F11,D2:D11=1994),3))
Level: medium
Question: How many districts have Bart Stupak as the incumbent?
Formula: ROWS(UNIQUE(FILTER(A1, B1="Bart Stupak")))
Formula2: ROWS(UNIQUE(FILTER(A2:A11, B2:B11="Bart Stupak")))
Level: medium