CREATE TABLE table_204_249 (id NUMBER, "km" NUMBER, "municipality" CLOB, "location" CLOB, "interescting highway" CLOB, "notes" CLOB)

where is the only intersecting highway over 20 km ?
SELECT "location" FROM table_204_249 WHERE "km" > 20
SELECT "location" FROM "table_204_249" WHERE "km" > 20