CREATE TABLE table_name_56 (stage VARCHAR2, points_classification VARCHAR2, general_classification VARCHAR2)

What is the stage with a point classification of Silvio Martinello and Davide Rebellin as the general classification?
SELECT stage FROM table_name_56 WHERE points_classification = "silvio martinello" AND general_classification = "davide rebellin"
SELECT "stage" FROM "table_name_56" WHERE "davide rebellin" = "general_classification" AND "points_classification" = "silvio martinello"