CREATE TABLE table_name_60 (winner VARCHAR, general_classification VARCHAR, stage VARCHAR)

Who was the winner of Stage 9 when then general classification was Danilo Di Luca?
SELECT winner FROM table_name_60 WHERE general_classification = "danilo di luca" AND stage = "9"
SELECT "winner" FROM "table_name_60" WHERE "9" = "stage" AND "danilo di luca" = "general_classification"