Table:
0
A
B
C
D
E
1
District
Incumbent
Party
First elected
Results
2
Washington 1
Jay Inslee
Democratic
1998
Re-elected
3
Washington 2
Rick Larsen
Democratic
2000
Re-elected
4
Washington 3
Brian Baird
Democratic
1998
Re-elected
5
Washington 4
Doc Hastings
Republican
1994
Re-elected
6
Washington 5
Cathy McMorris
Republican
2004
Re-elected
7
Washington 6
Norm Dicks
Democratic
1976
Re-elected
8
Washington 7
Jim McDermott
Democratic
1988
Re-elected
9
Washington 8
Dave Reichert
Republican
2004
Re-elected
10
Washington 9
Adam Smith
Democratic
1996
Re-elected

Questions and formulas:
Question: Who is the incumbent from the democratic party in the washington 7 district?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="democratic")*(A1="washington 7")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(C2:C10="democratic")*(A2:A10="washington 7")),2))
Level: medium
Question: When was the earliest incumbent dave reichert was first elected?
Formula: MINIFS(D1,B1,"dave reichert")
Formula2: MINIFS(D2:D10,B2:B10,"dave reichert")
Level: easy
Question: What is the total of the first elected year of incumbent norm dicks?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="norm dicks"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,B2:B10="norm dicks"),4))
Level: medium
Question: What is the total of the first elected year of the incumbent from the washington 8 district?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="washington 8"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,A2:A10="washington 8"),4))
Level: medium