Table:
0
A
B
C
D
E
F
G
1
Institution
Location
Founded
Type
Enrollment
Team
Primary Conference
2
Ave Maria University
Ave Maria, Florida
1998
Private
1,200
Gyrenes
The Sun
3
Dakota State University
Madison, South Dakota
1881
Public
3,102
Trojans
none
4
Edward Waters College
Jacksonville, Florida
1866
Private
800
Tigers
Gulf Coast (GCAC)
5
Haskell Indian Nations University
Lawrence, Kansas
1884
Tribal
1,000
Fighting Indians
MCAC
6
Jamestown College
Jamestown, North Dakota
1883
Private
967
Jimmies
none
7
Lindenwood University–Belleville
Belleville, Illinois
2003
Private
2,600
Lynx
none
8
Mayville State University
Mayville, North Dakota
1889
Public
825
Comets
none
9
Menlo College
Atherton, California
1927
Private
650
Oaks
CalPac
10
Point University
West Point, Georgia
1937
Private
1,035
Skyhawks
AAC
11
Valley City State University
Valley City, North Dakota
1890
Public
1,340
Vikings
none
12
Webber International University
Babson Park, Florida
1927
Private
616
Warriors
The Sun

Questions and formulas:
Question: What public team was founded prior to 1883?
Formula: LET(query1,LET(query1,FILTER(A1:G1,D1="public"),SUMMARIZE(CHOOSECOLS(query1,6),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)<1883))
Formula2: LET(query1,LET(query1,FILTER(A2:G12,D2:D12="public"),SUMMARIZE(CHOOSECOLS(query1,6),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)<1883))
Level: hard