How many  year locations are there for the womens doubles in jing junhong li jiawei?
CREATE TABLE table_28138035_20 (year_location VARCHAR, womens_doubles VARCHAR)
SELECT COUNT(year_location) FROM table_28138035_20 WHERE womens_doubles = "Jing Junhong Li Jiawei"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28138035_20 (year_location VARCHAR, womens_doubles VARCHAR) Question: How many  year locations are there for the womens doubles in jing junhong li jiawei? [/INST] SELECT COUNT(year_location) FROM table_28138035_20 WHERE womens_doubles = "Jing Junhong Li Jiawei" </s>