Table:
0
A
B
C
D
E
1
Location
Culture
# found
Ball diameter
Period
2
El Manati
Olmec
5
10–14cm
1600–1700 BCE
3
El Manati
Olmec
2
22cm
1200 BCE
4
Sacred Cenote
Maya
Unknown
4cm
850 - 1550 CE
5
Main ballcourt, Tenochtitlan
Aztec
2
7cm
Early 16th century?
6
House of Eagles, Tenochtitlan
Aztec
4
6-8½ cm
Early 16th century?

Questions and formulas:
Question: What is the listed Location with a # found of 4?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1=4),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,C2:C6=4),1))
Level: medium
Question: What's the Ball Diameter with the Location oof El Manati, and the Period of 1200 BCE?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1="el manati")*(E1="1200 bce")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(A2:A6="el manati")*(E2:E6="1200 bce")),4))
Level: medium
Question: What's the Ball Diameter with the Culture of Olmec?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="olmec"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="olmec"),4))
Level: medium
Question: What's the Period with # found of 5?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1=5),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,C2:C6=5),5))
Level: medium