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_25346763_1 ( custody_level_s_ VARCHAR, location VARCHAR )

### Question ###
What is the custody level of the facility in Shelton?

### Accurate SQL ###

SELECT custody_level_s_ FROM table_25346763_1 WHERE location = "Shelton"