Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_82 (year_signed VARCHAR, year_separated VARCHAR, chinese_name VARCHAR)

### Question ###
What was the signed year for the Chinese name 蘇永康 who separated in 1987?

### Accurate SQL ###

SELECT year_signed FROM table_name_82 WHERE year_separated = "1987" AND chinese_name = "蘇永康"