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_21804557_18 (stage__winner_ VARCHAR, metas_volantes_classification VARCHAR)

### Question ###
WHO WAS THE STAGE WINNER IN THE STAGE WHERE MICHAEL ALBASINI WON THE METAS VOLANTES CLASSIFICATION?

### Accurate SQL ###

SELECT stage__winner_ FROM table_21804557_18 WHERE metas_volantes_classification = "Michael Albasini"