Table:
0
A
B
C
D
E
1
Year Location
Mens Singles
Womens Singles
Mens Doubles
Womens Doubles
2
2012 Kobe
Jun Mizutani
Shen Yanfei
Kim Min-Seok Seo Hyun-Deok
Hiroko Fujii Misako Wakamiya
3
2011 Kobe
Seiya Kishikawa
Feng Tianwei
Lin Gaoyuan Wu Jiaji
Hiroko Fujii Misako Wakamiya
4
2010 Kobe
Timo Boll
Wang Yuegu
Kenta Matsudaira Koki Niwa
Yuka Ishigaki Yuri Yamanashi
5
2009 Wakayama
Oh Sang-Eun
Park Mi-Young
Seiya Kishikawa Jun Mizutani
Sayaka Hirano Reiko Hiura
6
2008 Yokohama
Ma Lin
Zhang Yining
China
China
7
2007 Chiba
Wang Hao
Wang Nan
Chen Qi Wang Liqin
Guo Yue Li Xiaoxia
8
2006 Yokohama
Wang Liqin
Wang Yuegu
Ma Lin Wang Hao
Tie Yana Zhang Rui
9
2005 Yokohama
Timo Boll
Zhang Yining
Timo Boll Christian Süß
Bai Yang Cao Zhen
10
2004 Kobe
Chen Qi
Zhang Yining
Wang Liqin Yan Sen
Guo Yue Niu Jianfeng
11
2003 Kobe
Timo Boll
Guo Yue
Chen Qi Ma Lin
Guo Yue Niu Jianfeng
12
2002 Kobe
Kalinikos Kreanga
Kim Kyung-Ah
Akira Kito Toshio Tasaki
Jing Junhong Li Jiawei
13
2001 Yokohama
Chiang Peng-Lung
Wang Nan
Ma Lin Wang Hao
Kim Bok-Rae Kim Kyung-Ah
14
2000 Kobe
Wang Liqin
Wang Nan
Kong Linghui Liu Guoliang
Sun Jin Yang Ying
15
1999 Kobe
Vladimir Samsonov
Wang Nan
Ma Lin Qin Zhijian
Sun Jin Yang Ying
16
1998 Wakayama
Kong Linghui
Li Ju
Ma Lin Wang Tao
Li Ju Wang Nan
17
1997 Chiba
Jan-Ove Waldner
Wang Chen
Wang Liqin Yan Sen
Lee Eun-Sil Ryu Ji-Hae

Questions and formulas:
Question: How many  year locations are there for the womens doubles in jing junhong li jiawei?
Formula: ROWS(UNIQUE(FILTER(A1, E1="Jing Junhong Li Jiawei")))
Formula2: ROWS(UNIQUE(FILTER(A2:A17, E2:E17="Jing Junhong Li Jiawei")))
Level: medium
Question: How many players are there for mens singles when chen qi ma lin played mens doubles?
Formula: ROWS(UNIQUE(FILTER(B1, D1="Chen Qi Ma Lin")))
Formula2: ROWS(UNIQUE(FILTER(B2:B17, D2:D17="Chen Qi Ma Lin")))
Level: medium
Question: Who played mens doubles for the 1999 kobe tour?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="1999 Kobe"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,A2:A17="1999 Kobe"),4))
Level: medium
Question: Where was the tour when  jing junhong li jiawei played womens doubles?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="Jing Junhong Li Jiawei"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,E2:E17="Jing Junhong Li Jiawei"),1))
Level: medium
Question: How many years did lin gaoyuan wu jiaji play  mens doubles?
Formula: ROWS(UNIQUE(FILTER(A1, D1="Lin Gaoyuan Wu Jiaji")))
Formula2: ROWS(UNIQUE(FILTER(A2:A17, D2:D17="Lin Gaoyuan Wu Jiaji")))
Level: medium
Question: How many people are shown for mens doubles when guo yue played womens singles?
Formula: ROWS(UNIQUE(FILTER(D1, C1="Guo Yue")))
Formula2: ROWS(UNIQUE(FILTER(D2:D17, C2:C17="Guo Yue")))
Level: medium