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_23170118_2 ( title VARCHAR, villains VARCHAR )

### Question ###
What was the title of the episode where reg lacey (aka mr. b) played the villain?

### Accurate SQL ###

SELECT title FROM table_23170118_2 WHERE villains = "Reg Lacey (AKA Mr. B)"