Table schema:
CREATE TABLE table_name_52 (winner VARCHAR, trofeo_fast_team VARCHAR, mountains_classification VARCHAR)

Question: 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"