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_10432351_1 ( radius__r___ INTEGER )

### Question ###
What is the smallest possible radius?

### Accurate SQL ###

SELECT MIN(radius__r___) FROM table_10432351_1