Table:
0
A
B
C
D
E
1
Date
City
Event
Winner
Prize
2
18–23 August 2009
Kiev
EPT Kyiv Sports Poker Championship
Maxim Lykov
€330,000
3
4–9 September 2009
Barcelona
EPT Barcelona
Carter Phillips
€850,000
4
2–7 October 2009
London
EPT London
Aaron Gustavson
£850,000
5
20–25 October 2009
Warsaw
EPT Warsaw
Christophe Benzimra
zł1,493,170
6
17–22 November 2009
Vilamoura
EPT Vilamoura
António Matias
€404,793
7
1–6 December 2009
Prague
EPT Prague
Jan Skampa
€682,000
8
5–11 January 2010
Paradise Island
EPT PokerStars Caribbean Adventure
Harrison Gimbel
$2,200,000
9
20–25 January 2010
Deauville
EPT Deauville
Jake Cody
€847,000
10
16–21 February 2010
Copenhagen
EPT Copenhagen
Anton Wigg
kr3,675,000
11
2–7 March 2010
Berlin
EPT Germany
Kevin MacPhee
€1,000,000
12
21–16 March 2010
Salzburg
ETP Snowfest
Allan Bække
€445,000
13
15–21 April 2010
Sanremo
ETP Sanremo
Liv Boeree
€1,250,000
14
25–30 April 2010
Monte Carlo
European Poker Tour Grand Final
Nicolas Chouity
€1,700,000

Questions and formulas:
Question: What is the Date, when the Winner is Aaron Gustavson?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="aaron gustavson"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,D2:D14="aaron gustavson"),1))
Level: medium
Question: What is the Date, when the City is Warsaw?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="warsaw"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,B2:B14="warsaw"),1))
Level: medium
Question: What is the Prize, when the Winner is Aaron Gustavson?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="aaron gustavson"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,D2:D14="aaron gustavson"),5))
Level: medium
Question: Who is the Winner, when the City is Berlin?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="berlin"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,B2:B14="berlin"),4))
Level: medium