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_20 (adelaide VARCHAR, perth VARCHAR, melbourne VARCHAR, auckland VARCHAR)

### Question ###
Which Adelaide's Melbourne and Perth were yes when Auckland was no?

### Accurate SQL ###

SELECT adelaide FROM table_name_20 WHERE melbourne = "yes" AND auckland = "no" AND perth = "yes"