Table:
0
A
B
C
D
E
1
Year
Location
Gold
Silver
Bronze
2
1982
New Delhi
Nadia Al-Moutawaa
Jamila Al-Moutawaa
Bariaa Salem Al-Sabbah
3
1986
Seoul
Takashi Tomura
Shuichi Toki
Ryuzo Okuno
4
1994
Hiroshima
Konoshin Kuwahara
Ryuzo Okuno
Natya Chantrasmi
5
1998
Bangkok
Jin Kanno
Sohn Bong-Gak
Quzier Ambak Fathil
6
2002
Busan
Mikaela María Jaworski
Lee Jin-Kyung
Tadayoshi Hayashi
7
2006
Doha
Ali Yousuf Al-Rumaihi
Jasmine Chen-Shao Man
Joo Jung-Hyun
8
2010
Guangzhou
Ramzy Al Duhami
Latifa Al Maktom
Khaled Al-Eid

Questions and formulas:
Question: Who got the gold in seoul before 2002?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1<2002)*(B1="seoul")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(A2:A8<2002)*(B2:B8="seoul")),3))
Level: medium
Question: Where did sohn bong-gak win silver?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="sohn bong-gak"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8="sohn bong-gak"),2))
Level: medium
Question: Who won the bronze when jin kanno won the gold?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="jin kanno"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,C2:C8="jin kanno"),5))
Level: medium