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_11667521_17 ( stage__winner_ VARCHAR, general_classification VARCHAR )

### Question ###
IN WHAT STAGE DID ALEXANDER VINOKOUROV WON THE GENERAL CLASSIFICATION?

### Accurate SQL ###

SELECT stage__winner_ FROM table_11667521_17 WHERE general_classification = "Alexander Vinokourov"