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_41 ( proto_germanic VARCHAR, german VARCHAR )

### Question ###
What's the Proto Germanic when then German is /s/ or /ts/?

### Accurate SQL ###

SELECT proto_germanic FROM table_name_41 WHERE german = "/s/ or /ts/"