‘Jeff Crump, president of the Boston Bills Backers chapter, says that when the Bills are playing well, they will get 300 to 400 people to watch them at The Harp, a bar-restaurant near TD Banknorth Garden. Crump gets a kick out of the fact that The Harp’s TV screens feature the Bills’ games prominently, while the games of the hometown Patriots “are off on one screen in a corner somewhere.”‘