What city in Svalbard has a longitude of 15°39′e?
CREATE TABLE "list_of_cities_by_latitude" (
  "latitude" text,
  "longitude" text,
  "city" text,
  "state" text,
  "country" text
);
SELECT "city" FROM "list_of_cities_by_latitude" WHERE "state"='svalbard' AND "longitude"='15°39′e';