Table:
0
A
B
C
D
E
1
Continent
Structure
Height
Year
Country
2
Asia
Burj Khalifa
m (ft)
2009
United Arab Emirates
3
Africa
Nador transmitter
m (ft)
1972
Morocco
4
North America
KVLY-TV mast
m (ft)
1963
United States
5
South America
Gran Torre Santiago
m (ft)
2012
Chile
6
Europe
Mercury City Tower
m (ft)
2013
Russia
7
Australia
VLF Transmitter Woodside
m (ft)
1971
Australia
8
Oceania
VLF transmitter Lualualei
m (ft)
1972
United States (Hawaii)

Questions and formulas:
Question: What is the year for the country of Morocco?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="morocco"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="morocco"),4))
Level: medium
Question: What is the year for the United Arab Emirates?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="united arab emirates"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="united arab emirates"),4))
Level: medium
Question: What year was the Mercury City Tower?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="mercury city tower"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,B2:B8="mercury city tower"),4))
Level: medium
Question: What structure is in Chile?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="chile"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,E2:E8="chile"),2))
Level: medium