user: ### NOW ANSWER:
Question: Who was the young rider classification when Diego Ulissi won? 
Columns: ['Stage', 'Winner', 'General classification', 'Points classification', 'Mountains classification', 'Young rider classification']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'HTC-Highroad', 'Marco Pinotti', 'not awarded', 'not awarded', 'Bjørn Selander']
SQL:

assistant: SELECT COUNT("Young rider classification") FROM "Table" WHERE "Winner" = 'Diego Ulissi';