Table:
0
A
B
C
D
E
1
Branch
Address
Neighborhood
First branch opened
Current branch opened
2
Albina Library
3605 N.E. 15th Avenue
Irvington
1906
1999
3
Belmont Library
1038 S.E. César E. Chávez Blvd
Sunnyside
1924
1924
4
Capitol Hill Library
10723 S.W. Capitol Highway
W. Portland Park
1972
1972
5
Fairview-Columbia Library
1520 N.E. Village Street
Fairview
2001
2001
6
Gregory Heights Library
7921 N.E. Sandy Boulevard
Roseway
1938
1966
7
Gresham Library
385 N.W. Miller Avenue
Gresham
1903
1990
8
Hillsdale Library
1525 S.W. Sunset Boulevard
Hillsdale
1913
2004
9
Holgate Library
7905 S.E. Holgate Blvd.
Foster-Powell
1911
1971
10
Hollywood Library
4040 N.E. Tillamook Street
Hollywood
1917
2002
11
Kenton Library
8226 N. Denver Avenue
Kenton
1903
2010
12
Midland Library
805 S.E. 122nd Avenue
Hazelwood
1958
1996
13
North Portland Library
512 N. Killingsworth Street
Humboldt
1909
1913
14
Northwest Library
2300 NW Thurman Street
Northwest
2001
2001
15
Rockwood Library
17917 S.E. Stark Street
Rockwood
1963
1963
16
Sellwood-Moreland Library
7860 S.E. 13th Avenue
Sellwood - Moreland
1905
2002
17
St. Johns Library
7510 N. Charleston Avenue
St. Johns
1913
1913
18
Troutdale Library
2451 S.W. Cherry Park Road
Troutdale
2010
2010
19
Woodstock Library
6008 SE 49th Avenue
Woodstock
1917
2000

Questions and formulas:
Question: What is the highest Current Branch Opened, when Neighborhood is W. Portland Park?
Formula: MAXIFS(E1,C1,"w. portland park")
Formula2: MAXIFS(E2:E19,C2:C19,"w. portland park")
Level: easy
Question: What is the First Branch Opened, when Branch is Belmont Library?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="belmont library"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,A2:A19="belmont library"),4))
Level: medium
Question: What is Neighborhood, when Branch is Hollywood Library?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="hollywood library"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,A2:A19="hollywood library"),3))
Level: medium
Question: What is Current Branch Opened, when Branch is Midland Library?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="midland library"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E19,A2:A19="midland library"),5))
Level: medium