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_50 ( fsb___ht__mhz_ VARCHAR, southbridge VARCHAR )

### Question ###
What is the FSB / HT (MHz) when the Southbridge is amd-8131 amd-8132?

### Accurate SQL ###

SELECT fsb___ht__mhz_ FROM table_name_50 WHERE southbridge = "amd-8131 amd-8132"