Table:
0
A
B
C
D
E
1
District
Incumbent
Party
First elected
Results
2
Iowa 1
Jim Nussle
Republican
1990
Retired to run for Governor Democratic gain
3
Iowa 2
Jim Leach
Republican
1976
Lost re-election Democratic gain
4
Iowa 3
Leonard Boswell
Democratic
1996
Re-elected
5
Iowa 4
Tom Latham
Republican
1994
Re-elected
6
Iowa 5
Steve King
Republican
2002
Re-elected

Questions and formulas:
Question: What were the results for the incumbent from Iowa 2 district?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="iowa 2"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,A2:A6="iowa 2"),5))
Level: medium
Question: Who is the incumbent that has been in office since before 1996 and was again re-elected?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="re-elected")*(D1<1996)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(E2:E6="re-elected")*(D2:D6<1996)),2))
Level: medium
Question: From which party is the incumbent who was first elected to office in 1990?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1=1990),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6=1990),3))
Level: medium
Question: In what year did the Democratic incumbent that was re-elected first take office?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="re-elected")*(C1="democratic")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(E2:E6="re-elected")*(C2:C6="democratic")),4))
Level: medium