CREATE TABLE table_203_665 (id DECIMAL, "name" TEXT, "municipality" TEXT, "established" DECIMAL, "tower height\ in meters  ( ft ) " TEXT, "focal plane\ in meters  ( ft ) " TEXT, "current status" TEXT, "current condition" TEXT)

how many towers are at least 18 meters tall ?
SELECT COUNT("name") FROM table_203_665 WHERE "tower height\nin meters (ft)" >= 18
SELECT COUNT("name") FROM "table_203_665" WHERE "tower height\nin meters (ft)" >= 18