Table:
0
A
B
C
D
E
1
Continent
Location
City
Date
Year
2
North America
United States
San Bernardino
May 15
1940
3
Caribbean
Puerto Rico
San Juan
November 10
1967
4
Central America
Costa Rica
San José
December 28
1970
5
Oceania
Australia
Sydney
May 30
1971
6
Asia 1
Japan
Tokyo
July 20
1971
7
Europe
Netherlands
Zaandam
August 21
1971
8
South America
Brazil
Rio de Janeiro
February 13
1979
9
Asia 2
Philippines
Manila
September 27
1981
10
Africa
Morocco
Casablanca
December 18
1992
11
Middle East
Israel
Tel Aviv
October 14
1993

Questions and formulas:
Question: What was the date for morocco when the year was lerger than 1981?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1>1981)*(B1="morocco")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,(E2:E11>1981)*(B2:B11="morocco")),4))
Level: medium
Question: What is the lowest year when the city is casablanca?
Formula: MINIFS(E1,C1,"casablanca")
Formula2: MINIFS(E2:E11,C2:C11,"casablanca")
Level: easy
Question: What year was the expansion in the city of San Juan?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="san juan"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,C2:C11="san juan"),5))
Level: medium
Question: What city was located in the Netherlands?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="netherlands"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="netherlands"),3))
Level: medium
Question: What location had a year of 1971 and a city of Tokyo?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1=1971)*(C1="tokyo")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,(E2:E11=1971)*(C2:C11="tokyo")),2))
Level: medium