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_67 ( location VARCHAR, year VARCHAR, silver VARCHAR )

### Question ###
What is the location for the year under 2010 and the year Hei Zhi Hong won silver?

### Accurate SQL ###

SELECT location FROM table_name_67 WHERE year < 2010 AND silver = "hei zhi hong"