[['provider', 'years', 'free or pay', 'no of channels', 'colour', 'digital', 'transmission'], ['(unbranded vhf collection)', '1936 - 1985', 'free', '2', 'no', 'no', 'analogue terrestrial'], ['405 - line cable service', '1938 - 1949', 'unknown', '2', 'no', 'no', 'analogue cable'], ['virgin', '1984 - 2009', 'pay', '35', 'yes', 'no', 'analogue cable'], ['sky', '1989 - 2001', 'pay', 'unknown', 'yes', 'no', 'analogue satellite'], ['bsb', '1990 - 1992', 'pay', '5', 'yes', 'no', 'analogue satellite'], ['ondigital / itv digital', '1998 - 2002', 'pay', 'unknown', 'yes', 'yes', 'digital terrestrial'], ['kit', '1999 - 2006', 'pay', 'unknown', 'yes', 'yes', 'iptv']]
Sky is not the only Provider with an Unknown number Of Channel
[ENT] is not the only [ENT] with an [ENT] number [ENT]