Table:
0
A
B
C
D
E
F
1
Edition
Round
Date
Surface
Opponent
Result
2
1995 World Group I Play-Offs
PO
July 22, 1995
Hard
Amanda Coetzer
0–6, 1–6
3
1995 World Group I Play-Offs
PO
July 23, 1995
Hard
Joannette Kruger
3–6, 1–6
4
1996 World Group II Play-Offs
PO
July 13, 1996
Clay
Kim Eun-ha
3–6, 6–0, 6–1
5
1996 World Group II Play-Offs
PO
July 14, 1996
Clay
Park Sung-hee
3–6, 5–7
6
1999 Europe/Africa Group I
RR
April 19, 1999
Clay
Dragana Zarić
6–1, 6–2
7
1999 Europe/Africa Group I
RR
April 20, 1999
Clay
Hanna-Katri Aalto
6–3, 6–1
8
1999 Europe/Africa Group I
RR
April 21, 1999
Clay
Samantha Smith
7–6 (7–4) , 6–4
9
1999 Europe/Africa Group I
PPO
April 22, 1999
Clay
Katarina Srebotnik
2–6, 2–6

Questions and formulas:
Question: Which Round has kim eun-ha as an Opponent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="kim eun-ha"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,E2:E9="kim eun-ha"),2))
Level: medium
Question: Which kind of Edition that has a Surface of clay, and Park Sung-Hee as an opponent?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(D1="clay")*(E1="park sung-hee")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,(D2:D9="clay")*(E2:E9="park sung-hee")),1))
Level: medium