Table:
0
A
B
C
D
E
1
Date
Tournament
Surface
Opponent in the final
Score
2
July 26, 1993
San Juan , Puerto Rico
Hard
Ann Grossman
6–3, 5–7, 6–3
3
September 27, 1993
Sapporo , Japan
Carpet (i)
Irina Spîrlea
6–4, 6–3
4
September 11, 1995
Nagoya , Japan
Carpet (i)
Sandra Kleinová
6–4, 6–2
5
September 25, 1995
Beijing , China
Hard
Wang Shi-ting
7–5, 6–2
6
April 8, 1996
Jakarta , Indonesia
Hard
Yayuk Basuki
walkover

Questions and formulas:
Question: For the tournament played on a hard surface and ending with a score of Walkover, who was the Finals opponent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="hard")*(E1="walkover")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(C2:C6="hard")*(E2:E6="walkover")),4))
Level: medium
Question: For the tournament played on September 25, 1995, who was the Finals opponent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="september 25, 1995"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,A2:A6="september 25, 1995"),4))
Level: medium
Question: Which tournament was played on September 25, 1995?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="september 25, 1995"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,A2:A6="september 25, 1995"),2))
Level: medium