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_13183076_3 ( _number VARCHAR, production_code VARCHAR )

### Question ###
What is the # for the episode with a Production code of 3T7057?

### Accurate SQL ###

SELECT _number FROM table_13183076_3 WHERE production_code = "3T7057"