What is HDTV, when Television Service is MTV Rocks?
CREATE TABLE table_name_21 (hdtv VARCHAR, television_service VARCHAR)
SELECT hdtv FROM table_name_21 WHERE television_service = "mtv rocks"
### Context: CREATE TABLE table_name_21 (hdtv VARCHAR, television_service VARCHAR) ### Question: What is HDTV, when Television Service is MTV Rocks? ### Answer: SELECT hdtv FROM table_name_21 WHERE television_service = "mtv rocks"