CREATE TABLE table_name_77 (city VARCHAR2, state VARCHAR2, longitude VARCHAR2)

What city in Svalbard has a longitude of 15 39 e?
SELECT city FROM table_name_77 WHERE state = "svalbard" AND longitude = "15°39′e"
SELECT "city" FROM "table_name_77" WHERE "15°39′e" = "longitude" AND "state" = "svalbard"