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_84 (sydney VARCHAR, gold_coast VARCHAR, perth VARCHAR, adelaide VARCHAR)
### Question:
Which Sydney has a Perth of no, an Adelaide of yes, and a Gold Coast of no?
### Answer:
SELECT sydney FROM table_name_84 WHERE perth = "no" AND adelaide = "yes" AND gold_coast = "no"