Table:
0
A
B
C
D
E
1
Date
Tournament
Surface
Opponent in the final
Score
2
18 June 2007
Ireland F1
Carpet
Colin Ebelthite
2–6, 3–6
3
27 August 2007
Great Britain F16
Hard
Satoshi Iwabuchi
3–6, 2–6
4
22 September 2008
Sweden F2
Hard
Michael Ryderstedt
1–6, 4–6
5
29 August 2010
Poznań, Poland F6
Clay
Marcin Gawron
3–6, 4–6
6
20 October 2012
Annaba, Algeria F2
Clay
Steven Diez
6–4, 4–6, 1–6

Questions and formulas:
Question: What surface was the tournament played on against Steven Diez?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="steven diez"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="steven diez"),3))
Level: medium
Question: What date was the game played on the hard surface at the Tournament of Sweden f2?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="hard")*(B1="sweden f2")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(C2:C6="hard")*(B2:B6="sweden f2")),1))
Level: medium
Question: What was the playing surface for the Tournament of Great Britain F16?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="great britain f16"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="great britain f16"),3))
Level: medium