Table:
0
A
B
C
D
E
1
Year
Location
Gold
Silver
Bronze
2
1982
New Delhi
India
Japan
Philippines
3
1986
Seoul
Japan
South Korea
India
4
1998
Bangkok
Thailand
Japan
India
5
2002
Busan
Japan
South Korea
India
6
2006
Doha
Qatar
Japan
India
7
2010
Guangzhou
Japan
Thailand
China

Questions and formulas:
Question: Can you tell me the Gold that has the Silver of south korea, and the Year of 1986?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="south korea")*(A1=1986)),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,(D2:D7="south korea")*(A2:A7=1986)),3))
Level: medium