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_20450 ( "Country" text, "Name" text, "Host" text, "Channel" text, "First Premiere" text, "Regular Judge" text, "Seasons" real )

### Question ###
Name the regular judge when host is anja rubik

### Accurate SQL ###

SELECT "Regular Judge" FROM table_20450 WHERE "Host" = 'Anja Rubik'