[['season', 'name', 'teams', 'relegated to league', 'promoted to league', 'promoted from league', 'relegated from league'], ['2005 - 06', 'national division two', '14', 'henley hawks orrell', 'barking halifax redruth', 'moseley waterloo', 'orrell'], ['2006 - 07', 'national division two', '14', 'none', 'bradford & bingley cambridge nuneaton', 'esher cornish all blacks', 'bradford & bingley harrogate'], ['2007 - 08', 'national division two', '14', 'waterloo otley', 'blaydon southend westcombe park', 'manchester otley', 'halifax henley hawks nuneaton'], ['2008 - 09', 'national division two', '14', 'cornish all blacks pertemps bees', "cinderford mount 's bay tynedale", 'birmingham & solihull', "westcombe park southend mount 's bay waterloo"], ['2009 - 10', 'national league 1', '16', 'esher newbury sedgley park otley manchester', 'london scottish nuneaton', 'esher', 'newbury nuneaton manchester'], ['2010 - 11', 'national league 1', '16', 'coventry', 'barking macclesfield rosslyn park', 'london scottish', 'cornish all blacks otley redruth'], ['2011 - 12', 'national league 1', '16', 'birmingham & solihull', 'ealing trailfinders fylde jersey', 'jersey', 'barking birmingham & solihull stourbridge'], ['2012 - 13', 'national league 1', '16', 'esher', 'loughborough students old albanians richmond', 'ealing trailfinders', 'cambridge sedgley park macclesfield']]
there were 16 team in the 2009 - 2013 Season for the National League
there were [ENT] team in the [ENT] 2013 [ENT] for the [ENT]