Six-Five ____ was the first BBC TV rock'n'roll show (7)

I believe the answer is:

special

I'm a little stuck... Click here to teach me more about this clue!

'show' is the definition.
(I know that special is a type of television program)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for special that I've seen before include "Exceptional in intensity or quality" , "Exceptional or particular" , "Dish not on main menu" , "Important; particular" , "Day's non-menu dish" .)

I've seen this clue in The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.