user: Question: How many times did  Li Ju win the womens singles and Wang Liqin win the mens singles?
Columns: ['Year Location', 'Mens Singles', 'Womens Singles', 'Mens Doubles', 'Womens Doubles']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2012 Suzhou', 'Hao Shuai', 'Chen Meng', 'Wang Liqin Xu Xin', 'Chen Meng Zhu Yuling']
SQL:

assistant: SELECT COUNT("Womens Doubles") FROM "Table" WHERE "Womens Singles" = 'Li Ju' AND "Mens Singles" = 'Wang Liqin';