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_2226817_7 ( title VARCHAR, production_code VARCHAR )

### Question ###
If the production code is 6.18, what was the episode title?

### Accurate SQL ###

SELECT title FROM table_2226817_7 WHERE production_code = "6.18"