Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_30 (adelaide VARCHAR, auckland VARCHAR, melbourne VARCHAR, sydney VARCHAR, perth VARCHAR)
### Question:
Which Adelaide has a Sydney of yes, a Perth of no, a Melbourne of yes, and an Auckland of no?
### Answer:
SELECT adelaide FROM table_name_30 WHERE sydney = "yes" AND perth = "no" AND melbourne = "yes" AND auckland = "no"