Table:
0
A
B
C
D
E
F
1
Date
Tournament
Surface
Partner
Opponents in the final
Score
2
16 August 2004
Lahore
Grass
Vijay Kannan
Mirko Pehar & Toshiaki Sakai
4–6 6–7
3
16 August 2004
Lahore
Grass
Vijay Kannan
Mirko Pehar & Toshiaki Sakai
2–6 4–6
4
8 August 2005
Tehran
Clay
Asaf Shafik
Benjamin Balleret & Clement Morel
2–6 5–7
5
15 August 2005
Tehran
Clay
Asaf Shafik
Anoosha Shahgholi & Ashkan Shokoofil
4–6 4–6
6
29 October 2007
Lahore
Grass
Sunil Kumar Sipaeya
Harshana Godamanne & Bart Govaerts
4–6 6–3 [6–10]
7
27 October 2008
Lahore
Hard
Sunil Kumar Sipaeya
Hyun-Soo Lim & Rupesh Roy
7–6 4–6 [6–10]
8
29 June 2009
Kuala Lumpur
Hard
Yew-Ming Si
Tsung-Hua Yang & Xin-Yuan Yu
6–7 3–6

Questions and formulas:
Question: Which surface had Yew-Ming Si as a partner?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="yew-ming si"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,D2:D8="yew-ming si"),3))
Level: medium