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_23 ( d_45 VARCHAR, d_42 VARCHAR )

### Question ###
What is the D45 associated with a D42 of r 22?

### Accurate SQL ###

SELECT d_45 FROM table_name_23 WHERE d_42 = "r 22"