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_66913 ( "Stage" text, "Winner" text, "General classification" text, "Points classification" text, "Mountains classification" text, "Intergiro classification" text, "Trofeo Fast Team" text )

### Question ###
Who was the winner from team Asics-c.g.a. and has a mountains classification of Mariano Piccoli?

### Accurate SQL ###

SELECT "Winner" FROM table_66913 WHERE "Trofeo Fast Team" = 'asics-c.g.a.' AND "Mountains classification" = 'mariano piccoli'