CREATE TABLE table_14465924_1 (telephone__052_ VARCHAR, area__km_2__ VARCHAR)

Name the telephone 052 for area km2 being 5.42
SELECT telephone__052_ FROM table_14465924_1 WHERE area__km_2__ = "5.42"
SELECT "telephone__052_" FROM "table_14465924_1" WHERE "5.42" = "area__km_2__"