Table:
0
A
B
C
D
E
F
G
1
Name
Country
Date(s)
Loss
Institution
Market activity
Sentence
2
Yasuo Hamanaka
Tokyo, Japan
1996
$2.6 billion
Sumitomo Corporation
Copper
8 years prison
3
Kweku Adoboli
London, United Kingdom
2011
$2.3 billion
UBS
S&P 500, DAX, and EuroStoxx Futures
7 years in prison
4
Nick Leeson
United Kingdom
1995
$1.3 billion (£827 million)
Barings Bank
Nikkei Index Futures
6.5 years prison
5
Toshihide Iguchi
Osaka, Japan / New York City, United States
1995
$1.1 billion
Resona Holdings
U.S. Treasury Bonds
4 years prison
6
Boris Picano-Nacci
Paris, France
2008
$980.3 million (€751 million)
Groupe Caisse d'Epargne
Equity Derivatives
€315 million fine (2 year suspended sentence)
7
John Rusnak
Maryland, United States
2002
$691 million
Allied Irish Banks
Foreign Exchange Options
7.5 years prison

Questions and formulas:
Question: Which company was based in London, United Kingdom?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="London, United Kingdom"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G7,B2:B7="London, United Kingdom"),5))
Level: medium