Table:
0
A
B
C
D
E
F
1
Outcome
Year
Championship
Surface
Opponent in the final
Score in the final
2
Winner
1991
Frankfurt
Carpet (i)
Jim Courier
3–6, 7–6 (7–5) , 6–3, 6–4
3
Runner-up
1993
Frankfurt
Carpet (i)
Michael Stich
6–7 (3–7) , 6–2, 6–7 (7–9) , 2–6
4
Winner
1994
Frankfurt
Carpet (i)
Boris Becker
4–6, 6–3, 7–5, 6–4
5
Winner
1996
Hannover
Carpet (i)
Boris Becker
3–6, 7–6 (7–5) , 7–6 (7–4) , 6–7 (11–13) , 6–4
6
Winner
1997
Hannover
Hard (i)
Yevgeny Kafelnikov
6–3, 6–2, 6–2

Questions and formulas:
Question: What is the score in the final in the year 1994?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1=1994),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,B2:B6=1994),6))
Level: medium
Question: Who is the championship for the year of 1993?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1=1993),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,B2:B6=1993),3))
Level: medium
Question: Who is the opponent in the final when frankfurt is championship and the year is less than 1993.0?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(C1="Frankfurt")*(B1<1993)),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,(C2:C6="Frankfurt")*(B2:B6<1993)),5))
Level: medium