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_20174050_1 (format VARCHAR, title VARCHAR)

### Question ###
What's the format of the audio book titled The Mind Robber?

### Accurate SQL ###

SELECT format FROM table_20174050_1 WHERE title = "The Mind Robber"