Table:
0
A
B
C
D
E
F
G
1
High School
Location
Founded
Affiliation
Enrollment
Nickname
Division
2
Ballard
Seattle
1903
Public ( Seattle P.S. )
1649
s Beaver
Crown^
3
Bothell
Bothell
1959
Public ( Northshore S.D. )
1800
s Cougar
Crown
4
Eastlake
Sammamish
1993
Public ( Lake Washington S.D. )
1329
Wolves
Crest^
5
Garfield
Seattle
1920
Public ( Seattle P.S. )
1702
s Bulldog
Crown^
6
Inglemoor
Kenmore
1964
Public ( Northshore S.D. )
1880
Vikings
Crown
7
Issaquah
Issaquah
1905
Public ( Issaquah S.D. )
1844
s Eagle
Crest
8
Newport
Bellevue
1964
Public ( Bellevue S.D. )
1712
s Knight
Crest
9
Redmond
Redmond
1965
Public ( Lake Washington S.D. )
1442
Mustangs
Crest^
10
Roosevelt
Seattle
1922
Public ( Seattle P.S. )
1710
Rough Riders
Crown^
11
Skyline
Sammamish
1997
Public ( Issaquah S.D. )
1889
ns Sparta
Crest

Questions and formulas:
Question: What year was Skyline High School founded?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,A1="Skyline"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G11,A2:A11="Skyline"),3))
Level: medium
Question: How many enrollment figures are provided for Roosevelt High School?
Formula: SUMIFS(E1,A1,"Roosevelt")
Formula2: SUMIFS(E2:E11,A2:A11,"Roosevelt")
Level: easy
Question: Which location has a team that is nicknamed the Vikings?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="Vikings"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G11,F2:F11="Vikings"),2))
Level: medium