Table:
0
A
B
C
D
E
1
Event
Gold
Silver
Bronze
4th place
2
Flyweight (– 51 kilograms)
Luis Martinez Zapata Spain
James Clinton Scotland
Frantisek Majdloch Czechoslovakia
I. Bendai Hungary
3
Bantamweight (– 54 kilograms)
Laszlo Bogacs Hungary
Bertil Ahlin Sweden
Peter Sanderson England
Duayer Scotland
4
Featherweight (– 58 kilograms)
Kurt Kreuger Sweden
Peter Maguire Ireland
Jules van Dyk Belgium
J Feher Hungary
5
Lightweight (– 62 kilograms)
Joseph Vissers Belgium
Roger Baour France
Svend Wad Denmark
E. Frich Scotland
6
Welterweight (– 67 kilograms)
John Ryan England
Charles Humez France
Giuseppe Facchi Italy
Eddie Cantwell Ireland
7
Middleweight (– 73 kilograms)
Aimé-Joseph Escudie France
Wally Thom England
Julius Torma Czechoslovakia
Shubert Netherlands
8
Light Heavyweight (– 80 kilograms)
Hennie Quentemeijer Netherlands
Léon Nowiaz France
Vital L'Hoste Belgium
C.Waist England
9
Heavyweight (+ 80 kilograms)
Gerry O'Colman Ireland
George Scriven England
Giulio Bastiani Italy
Livanski Czechoslovakia

Questions and formulas:
Question: Who won the gold when Bertil Ahlin Sweden won the silver?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="bertil ahlin sweden"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="bertil ahlin sweden"),2))
Level: medium
Question: Who won the gold when Jules van Dyk Belgium won bronze?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="jules van dyk belgium"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,D2:D9="jules van dyk belgium"),2))
Level: medium