Table:
0
A
B
C
D
E
F
G
1
District
Incumbent
Party
Elected
Status
2008 Candidates
Results
2
Washington 1
Jay Inslee
Democrat
1998
Running
Jay Inslee (D) (cw) Larry Ishmael (R) (cw)
68% 32%
3
Washington 2
Rick Larsen
Democrat
2000
Running
Rick Larsen (D) (cw) Rick Bart (R) (cw)
62% 38%
4
Washington 3
Brian Baird
Democrat
1998
Running
Brian Baird (D) (cw) Michael Delavar (R) (cw)
64% 36%
5
Washington 4
Doc Hastings
Republican
1994
Running
Doc Hastings (R) (cw) George Fearing (D) (cw)
63% 37%
6
Washington 5
Cathy McMorris
Republican
2004
Running
Cathy McMorris (R) (cw) Mark Mays (D) (cw)
65% 35%
7
Washington 6
Norm Dicks
Democrat
1976
Running
Norm Dicks (D) (cw) Doug Cloud (R) (cw)
67% 33%
8
Washington 7
Jim McDermott
Democrat
1988
Running
Jim McDermott (D) (cw) Steve Beren (R) (cw)
84% 16%
9
Washington 8
Dave Reichert
Republican
2004
Running
Dave Reichert (R) (cw) Darcy Burner (D) (cw)
53% 47%

Questions and formulas:
Question: How many times was the incumbent elected in Washington 4 district?
Formula: ROWS(UNIQUE(FILTER(D1, A1="Washington 4")))
Formula2: ROWS(UNIQUE(FILTER(D2:D9, A2:A9="Washington 4")))
Level: medium
Question: What is the status of the district where the result is 63% 37%?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,G1="63% 37%"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,G2:G9="63% 37%"),5))
Level: medium
Question: Who are the candidates in Washington 1 district?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="Washington 1"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,A2:A9="Washington 1"),6))
Level: medium
Question: How many groups of candidates are there in there in the district where the incumbent is Doc Hastings?
Formula: ROWS(UNIQUE(FILTER(F1, B1="Doc Hastings")))
Formula2: ROWS(UNIQUE(FILTER(F2:F9, B2:B9="Doc Hastings")))
Level: medium