Which round had a winning driver of Uwe Alzen, at the Sepang International circuit?
CREATE TABLE table_name_80 (
    round VARCHAR,
    winning_driver VARCHAR,
    circuit VARCHAR
)
SELECT round FROM table_name_80 WHERE winning_driver = "uwe alzen" AND circuit = "sepang international circuit"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which round had a winning driver of Uwe Alzen, at the Sepang International circuit? ### Input: CREATE TABLE table_name_80 (
    round VARCHAR,
    winning_driver VARCHAR,
    circuit VARCHAR
) ### Response: SELECT round FROM table_name_80 WHERE winning_driver = "uwe alzen" AND circuit = "sepang international circuit"