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_12 ( d_erp VARCHAR, city_of_license VARCHAR )

### Question ###
What's the D ERP in San Martin Texmelucan, Puebla?

### Accurate SQL ###

SELECT d_erp FROM table_name_12 WHERE city_of_license = "san martin texmelucan, puebla"