CREATE TABLE table_203_830 (id DECIMAL, "year" DECIMAL, "song" TEXT, "chart positions\ us country" DECIMAL, "chart positions\ can country" DECIMAL, "album" TEXT)

which song had the highest us country position ?
SELECT "song" FROM table_203_830 ORDER BY "chart positions\nus country" LIMIT 1
SELECT "song" FROM "table_203_830" ORDER BY "chart positions\nus country" NULLS FIRST LIMIT 1