Table schema:
CREATE TABLE table_name_93 (points_classification VARCHAR, young_rider_classification VARCHAR, general_classification VARCHAR)

Question: What is the point classification with chris anker sørensen as the young rider classification and Christian vande velde as the general classification?
SQL: SELECT points_classification FROM table_name_93 WHERE young_rider_classification = "chris anker sørensen" AND general_classification = "christian vande velde"