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_80 (round VARCHAR, winning_driver VARCHAR, circuit VARCHAR)

### Question ###
Which round had a winning driver of Uwe Alzen, at the Sepang International circuit?

### Accurate SQL ###

SELECT round FROM table_name_80 WHERE winning_driver = "uwe alzen" AND circuit = "sepang international circuit"