table: [['polling firm', 'date of polling', 'link', 'progressive conservative', 'liberal', 'new democratic'], ['corporate research associates', 'september 29 - october 3 , 2011', 'html', '59', '16', '25'], ['environics', 'september 29 - october 4 , 2011', 'html', '54', '13', '33'], ['marketquest omnifacts research', 'september 28 - 30 , 2011', 'html', '54', '13', '33'], ['marketquest omnifacts research', 'september 16 - 19 , 2011', 'html', '53', '18', '29'], ['corporate research associates', 'august 15 - 31 , 2011', 'pdf', '54', '22', '24'], ['corporate research associates', 'may 11 - 28 , 2011', 'pdf', '57', '22', '20'], ['corporate research associates', 'february 10 - 28 , 2011', 'pdf', '73', '18', '8'], ['corporate research associates', 'november 9 - 30 , 2010', 'pdf', '75', '16', '8'], ['corporate research associates', 'august 10 - 30 , 2010', 'pdf', '76', '17', '7'], ['corporate research associates', 'may 11 - 31 , 2010', 'pdf', '75', '16', '8'], ['corporate research associates', 'february 9 - 25 , 2010', 'pdf', '80', '15', '5'], ['corporate research associates', 'november 5 - 22 , 2009', 'pdf', '77', '16', '7'], ['corporate research associates', 'august 11 - 29 , 2009', 'pdf', '77', '15', '8'], ['corporate research associates', 'may 12 - 30 , 2009', 'pdf', '72', '19', '8'], ['corporate research associates', 'february 11 - 28 , 2009', 'pdf', '71', '22', '7'], ['corporate research associates', 'november 5 - december 2 , 2008', 'pdf', '72', '19', '9'], ['corporate research associates', 'august 12 - 30 , 2008', 'pdf', '78', '14', '7'], ['corporate research associates', 'may 8 - june 1 , 2008', 'pdf', '77', '13', '8'], ['corporate research associates', 'february 12 - march 4 , 2008', 'pdf', '79', '14', '6'], ['corporate research associates', 'november 9 - december 3 , 2007', 'pdf', '82', '12', '7']]
ref: Polling Firm Environics showed 54 for Progressive Conservative for September 29 - October 4 , 2011 and the Polling Firm Marketquest Omnifacts Research had the same number for September 28 - 30 , 2011
template: [ENT] [ENT] showed [ENT] for [ENT] for [ENT] and the [ENT] [ENT] had the same number for [ENT]