CREATE TABLE table_name_51 (perth VARCHAR, auckland VARCHAR, gold_coast VARCHAR, adelaide VARCHAR)

Which Perth's gold coast and Adelaide were yes when Auckland was no?
SELECT perth FROM table_name_51 WHERE gold_coast = "yes" AND adelaide = "yes" AND auckland = "no"
SELECT "perth" FROM "table_name_51" WHERE "adelaide" = "yes" AND "auckland" = "no" AND "gold_coast" = "yes"