CREATE TABLE table_16796625_1 (land_area__hectares_ VARCHAR2, urban_area__locality_ VARCHAR2)

How many hectars of land is in Kaxholmen?
SELECT land_area__hectares_ FROM table_16796625_1 WHERE urban_area__locality_ = "Kaxholmen"
SELECT "land_area__hectares_" FROM "table_16796625_1" WHERE "Kaxholmen" = "urban_area__locality_"