what's the number of times the letter "b" appears in:
celebs get stuck into big breakfast!
sports star usain bolt, musician nile rodgers and luther star idris elba are among the celebrity guests who will appear on channel 4’s the big breakfast when it returns to screens nearly 30 years since it first launched.
the popular breakfast entertainm­ent show will return today as part of the programmin­g for channel 4’s black to front project, which sees the broadcaste­r hosting a day of flagship shows with black talent and contributo­rs at their forefront.

user
In the text, there are thirteen "b"s.
assistant