CREATE TABLE table_name_52 (winner VARCHAR(255), trofeo_fast_team VARCHAR(255), mountains_classification VARCHAR(255))
Who was the winner from team Asics-c.g.a. and has a mountains classification of Mariano Piccoli?
    
SQL: SELECT winner FROM table_name_52 WHERE trofeo_fast_team = "asics-c.g.a." AND mountains_classification = "mariano piccoli"