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_61 (sydney VARCHAR, auckland VARCHAR, melbourne VARCHAR, adelaide VARCHAR, gold_coast VARCHAR)
### Question:
what is the Sydney that has Adelaide, Gold Coast, Melbourne, and Auckland are all yes?
### Answer:
SELECT sydney FROM table_name_61 WHERE adelaide = "yes" AND gold_coast = "yes" AND melbourne = "yes" AND auckland = "yes"