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, gold_coast VARCHAR, melbourne VARCHAR, sydney VARCHAR)
### Question:
Which Adelaide's Melbourne, Sydney, and Gold Coast were all no?
### Answer:
SELECT adelaide FROM table_name_30 WHERE melbourne = "no" AND sydney = "no" AND gold_coast = "no"