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_18600760_13 ( ansi_code INTEGER )

### Question ###
What is the smallest ansi code?

### Accurate SQL ###

SELECT MIN(ansi_code) FROM table_18600760_13