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_203 ( id number, "year" number, "majors" number, "atp wins" number, "total wins" number, "earnings (us$)" number, "money list rank" number )

### Question ###
what is the most us $ mario an &#269; i &#263; has earned in the atp tour in one year ?

### Accurate SQL ###

SELECT MAX("earnings (us$)") FROM table_203_203