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_name_32 ( image_quality VARCHAR, date VARCHAR, multiple_sessions VARCHAR, authentication VARCHAR )

### Question ###
what is the image quality when the multiple sessions is x, the authentication is and the date is may 15, 2007?

### Accurate SQL ###

SELECT image_quality FROM table_name_32 WHERE multiple_sessions = "x" AND authentication = "✓" AND date = "may 15, 2007"