Table:
0
A
B
C
D
E
1
District
Incumbent
Party
First elected
Results
2
Louisiana 1
Bobby Jindal
Republican
2004
Re-elected
3
Louisiana 2
Bill Jefferson
Democratic
1990
Re-elected In Runoff
4
Louisiana 3
Charlie Melancon
Democratic
2004
Re-elected
5
Louisiana 4
Jim McCrery
Republican
1988
Re-elected
6
Louisiana 5
Rodney Alexander
Republican
2002
Re-elected
7
Louisiana 6
Richard Baker
Republican
1986
Re-elected
8
Louisiana 7
Charles Boustany
Republican
2004
Re-elected

Questions and formulas:
Question: What is the highest First Elected, when Party is "Republican", and when District is "Louisiana 7"?
Formula: MAX(FILTER(D1, (C1="republican")*(A1="louisiana 7")))
Formula2: MAX(FILTER(D2:D8, (C2:C8="republican")*(A2:A8="louisiana 7")))
Level: easy
Question: What is Party, when Results is "Re-Elected", and when District is "Louisiana 5"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="re-elected")*(A1="louisiana 5")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(E2:E8="re-elected")*(A2:A8="louisiana 5")),3))
Level: medium
Question: What is Party, when Incumbent is "Rodney Alexander"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="rodney alexander"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,B2:B8="rodney alexander"),3))
Level: medium
Question: What is Results, when First Elected is less than 1988?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1<1988),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8<1988),5))
Level: medium
Question: What is Incumbent, when District is "Louisiana 4"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="louisiana 4"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,A2:A8="louisiana 4"),2))
Level: medium