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_46 ( hanzi VARCHAR, origin VARCHAR, launch VARCHAR )

### Question ###
What is the Hanzi of Hong Kong in 1998?

### Accurate SQL ###

SELECT hanzi FROM table_name_46 WHERE origin = "hong kong" AND launch = "1998"