user: Question: What is HDTV, when Television Service is MTV Rocks?
Columns: ['Television service', 'Country', 'Language', 'Content', 'HDTV', 'Package/Option']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Sky Radio', 'Italy', 'Italian', 'music', 'no', 'Sky Famiglia']
SQL:

assistant: SELECT "HDTV" FROM "Table" WHERE "Television service" = 'MTV Rocks';