Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_203_830 ( id number, "year" number, "song" text, "chart positions\nus country" number, "chart positions\ncan country" number, "album" text )

### Question ###
which track is at the top of the us chart ?

### Accurate SQL ###

SELECT "song" FROM table_203_830 ORDER BY "chart positions\nus country" LIMIT 1