[['series', 'premiere', 'finale', 'runners - up', 'winner'], ['1', '17 august 2010', '21 september 2010', 'miranda gore browne', 'edd kimber'], ['1', '17 august 2010', '21 september 2010', 'ruth clemens', 'edd kimber'], ['2', '14 august 2011', '4 october 2011', 'holly bell', 'joanne wheatley'], ['2', '14 august 2011', '4 october 2011', 'mary - anne boermans', 'joanne wheatley'], ['3', '14 august 2012', '16 october 2012', 'brendan lynch', 'john whaite'], ['3', '14 august 2012', '16 october 2012', 'james morton', 'john whaite'], ['4', '20 august 2013', '22 october 2013', 'kimberley wilson', 'frances quinn']]
Holly Bell and Mary - ann Boermans were both Runner - Up in season 2 , while kimberly Wilson was the only Runner - Up in season 4
[ENT] and [ENT] ann [ENT] were both [ENT] in season 2 , while kimberly [ENT] was the only [ENT] in season 4