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_name_73 (round VARCHAR, draft VARCHAR, pick VARCHAR, nationality VARCHAR, position VARCHAR)

### Question ###
In which round was Position G  from the United States drafted as Pick 13 in 1971-1 1971?

### Accurate SQL ###

SELECT round FROM table_name_73 WHERE nationality = "united states" AND position = "g" AND pick = "13" AND draft = "1971-1 1971"