SCHEMA:
CREATE TABLE table_name_10 (winner VARCHAR, young_rider_classification VARCHAR, mountains_classification VARCHAR, general_classification VARCHAR, points_classification VARCHAR)
USER:
Who was the winner when the General classification was held by Miguel Indurain, the Points classification held by Mario Cipollini, the Mountains classification held by Claudio Chiappucci, and the Young RIder classification held by Pavel Tonkov?

QUERY:
SELECT winner FROM table_name_10 WHERE general_classification = "miguel indurain" AND points_classification = "mario cipollini" AND mountains_classification = "claudio chiappucci" AND young_rider_classification = "pavel tonkov"