Table:
0
A
B
C
D
E
F
G
H
I
1
Edition
Round
Date
Partnering
Against
Surface
Opponents
W–L
Result
2
2010 Fed Cup Europe/Africa Group I
RR
3 February 2010
Neuza Silva
Croatia
Hard
Jelena Kostanić Tošić Silvia Njirić
Win
7–5, 6–4
3
2011 Fed Cup Europe/Africa Group II
RR
4–6 May 2011
Maria João Koehler
Morocco
Clay
Fatima El Allami Nadia Lalami
Win
6–3, 6–2
4
2011 Fed Cup Europe/Africa Group II
RR
4–6 May 2011
Maria Joao Koehler
Finland
Clay
Emma Laine Piia Suomalainen
Win
6–3, 6–2
5
2012 Fed Cup Europe/Africa Group I
RR
1–3 February 2012
Maria Joao Koehler
Great Britain
Hard
Laura Robson Heather Watson
Loss
5–7, 0–6
6
2012 Fed Cup Europe/Africa Group I
RR
1–3 February 2012
Maria Joao Koehler
Israel
Hard
Shahar Pe'er Julia Glushko
Win
6–2, 4–6, 6–4
7
2013 Fed Cup Europe/Africa Group I
RR
7–9 February 2013
Joana Vale Costa
Great Britain
Hard
Laura Robson Heather Watson
Loss
2–6, 1–6

Questions and formulas:
Question: What date was the result 6–2, 4–6, 6–4?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,I1="6–2, 4–6, 6–4"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I7,I2:I7="6–2, 4–6, 6–4"),3))
Level: medium
Question: How many matches had the result of 6–3, 6–2?
Formula: ROWS(UNIQUE(FILTER(D1, I1="6–3, 6–2")))
Formula2: ROWS(UNIQUE(FILTER(D2:D7, I2:I7="6–3, 6–2")))
Level: medium