Table:
0
A
B
C
D
E
1
Park name
County or counties
Area in acres (ha)
Date founded
Stream(s) and / or lake(s)
2
Allegheny Islands State Park
Allegheny County
43acres (17ha)
1980
Allegheny River
3
Archbald Pothole State Park
Lackawanna County
150acres (61ha)
1964
None
4
Bald Eagle State Park
Centre County
5900acres (2,388ha)
1971
Bald Eagle Creek , Foster Joseph Sayers Reservoir
5
Beltzville State Park
Carbon County
2973acres (1,203ha)
1972
Pohopoco Creek , Beltzville Lake
6
Bendigo State Park
Elk County
100acres (40ha)
1959
East Branch Clarion River

Questions and formulas:
Question: what is the stream(s) and / or lake(s) when the date founded is 1959?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1=1959),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6=1959),5))
Level: medium
Question: What is the area in acres (ha) for the park bald eagle state park?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="bald eagle state park"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,A2:A6="bald eagle state park"),3))
Level: medium
Question: what is the most recent date founded in elk county?
Formula: MAXIFS(D1,B1,"elk county")
Formula2: MAXIFS(D2:D6,B2:B6,"elk county")
Level: easy
Question: how many parks are name beltzville state park?
Formula: ROWS(UNIQUE(FILTER(D1, A1="beltzville state park")))
Formula2: ROWS(UNIQUE(FILTER(D2:D6, A2:A6="beltzville state park")))
Level: medium