Table:
0
A
B
C
D
E
1
District
Incumbent
Party
First elected
Results
2
Tennessee 1
William L. Jenkins
Republican
1996
Retired Republican hold
3
Tennessee 2
Jimmy Duncan Jr.
Republican
1998
Re-elected
4
Tennessee 3
Zach Wamp
Republican
1994
Re-elected
5
Tennessee 4
Lincoln Davis
Democratic
2002
Re-elected
6
Tennessee 5
Jim Cooper
Democratic
2002
Re-elected
7
Tennessee 6
Bart Gordon
Democratic
1984
Re-elected
8
Tennessee 7
Marsha Blackburn
Republican
2002
Re-elected
9
Tennessee 8
John Tanner
Democratic
1988
Re-elected
10
Tennessee 9
Harold Ford Jr.
Democratic
1996
Retired to run for U.S. Senate Democratic hold

Questions and formulas:
Question: What is Party, when District is "Tennessee 8"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="tennessee 8"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,A2:A10="tennessee 8"),3))
Level: medium
Question: What is the total number of First Elected, when Party is "Democratic", and when District is "Tennessee 5"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="democratic")*(A1="tennessee 5")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(C2:C10="democratic")*(A2:A10="tennessee 5")),4))
Level: medium
Question: What is the lowest First Elected, when Results is "Re-elected", and when Incumbent is "Lincoln Davis"?
Formula: MIN(FILTER(D1, (E1="re-elected")*(B1="lincoln davis")))
Formula2: MIN(FILTER(D2:D10, (E2:E10="re-elected")*(B2:B10="lincoln davis")))
Level: easy
Question: What is the highest First Elected, when Results is "Re-elected", and when Incumbent is "Lincoln Davis"?
Formula: MAX(FILTER(D1, (E1="re-elected")*(B1="lincoln davis")))
Formula2: MAX(FILTER(D2:D10, (E2:E10="re-elected")*(B2:B10="lincoln davis")))
Level: easy