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_73 (gold_coast VARCHAR, adelaide VARCHAR, melbourne VARCHAR, perth VARCHAR)
### Question:
What is the result for Gold Coast when Melbourne and Adelaide are yes, but Perth is no?
### Answer:
SELECT gold_coast FROM table_name_73 WHERE melbourne = "yes" AND perth = "no" AND adelaide = "yes"