Table:
0
A
B
C
D
E
1
1976
1977
1978
1979
1980
2
Chile
Chile
Chile
Chile
Chile
3
487
566
713
951
1,128
4
3.5
3.5
4.1
4.6
5.2
5
Argentina
Argentina
Argentina
Argentina
Argentina
6
2,702
2,225
2,339
2,641
2,126
7
2.2
2.0
2.3
2.5
2.0

Questions and formulas:
Question: what is 1976 when 1980 is 2.0?
Formula: FILTER(A1,E1="2.0")
Formula2: FILTER(A2:A7,E2:E7="2.0")
Level: easy
Question: what is 1980 when 1979 is 951?
Formula: FILTER(E1,D1="951")
Formula2: FILTER(E2:E7,D2:D7="951")
Level: easy
Question: what is 1977 when 1980 is chile?
Formula: FILTER(B1,E1="chile")
Formula2: FILTER(B2:B7,E2:E7="chile")
Level: easy
Question: what is 1976 when 1977 is 3.5?
Formula: FILTER(A1,B1="3.5")
Formula2: FILTER(A2:A7,B2:B7="3.5")
Level: easy
Question: what is 1977 when 1978 is 4.1?
Formula: FILTER(B1,C1="4.1")
Formula2: FILTER(B2:B7,C2:C7="4.1")
Level: easy
Question: what is 1980 when 1978 is 2.3?
Formula: FILTER(E1,C1="2.3")
Formula2: FILTER(E2:E7,C2:C7="2.3")
Level: easy