Table:
text: Opinion polling by state for the United States presidential election, 2008 (Connecticut)
Connecticut
Connecticut
Poll_Source Sample_Size Margin_of_Error Date_ Democrat Republican
Quinnipiac 1029 3.1 Nov 1-5, 2007 Hillary Clinton John McCain
Quinnipiac 1029 3.1 Nov 1-5, 2007 Hillary Clinton Mitt Romney
Quinnipiac 1029 3.1 Nov 1-5, 2007 Hillary Clinton Fred Thompson
Quinnipiac 1029 3.1 Nov 1-5, 2007 John Edwards Rudy Giuliani
Quinnipiac 1029 3.1 Nov 1-5, 2007 Barack Obama Rudy Giuliani
Quinnipiac 1391 2.6 Oct 9-15, 2007 Hillary Clinton Rudy Giuliani
Quinnipiac 1427 2.6 May 2-7, 2007 Hillary Clinton Rudy Giuliani
Quinnipiac 1427 2.6 May 2-7, 2007 Hillary Clinton John McCain
Quinnipiac 1427 2.6 May 2-7, 2007 Hillary Clinton Fred Thompson
Quinnipiac 1427 2.6 May 2-7, 2007 Barack Obama Rudy Giuliani
Quinnipiac 1427 2.6 May 2-7, 2007 Barack Obama John McCain

text: Opinion polling by state for the United States presidential election, 2008 (Connecticut)
Connecticut
Connecticut
Poll_Source Sample_Size Margin_of_Error Date_ Democrat Republican
Quinnipiac 1697 2.4 Mar 19-24, 2008 Hillary Clinton John McCain
Quinnipiac 1697 2.4 Mar 19-24, 2008 Barack Obama John McCain
Rasmussen Reports 500 4.5 March 11, 2008 Barack Obama John McCain
Rasmussen Reports 500 4.5 March 11, 2008 Hillary Clinton John McCain
Rasmussen Reports 500 4.5 November 7, 2007 Hillary Clinton Rudy Giuliani
Rasmussen Reports 500 4.5 November 7, 2007 Hillary Clinton John McCain
Rasmussen Reports 500 4.5 November 7, 2007 Hillary Clinton Mitt Romney
Rasmussen Reports 500 4.5 November 7, 2007 Hillary Clinton Fred Thompson
Quinnipiac 1029 3.1 Nov 1-5, 2007 Hillary Clinton Rudy Giuliani

text: Opinion polling by state for the United States presidential election, 2008 (Connecticut)
Connecticut
Connecticut
Poll_Source Sample_Size Margin_of_Error Date_ Democrat Republican
Quinnipiac 1427 2.6 May 2-7, 2007 Barack Obama Fred Thompson
Quinnipiac 1087 3 Feb 9-12, 2007 Hillary Clinton Rudy Giuliani
Quinnipiac 1087 3 Feb 9-12, 2007 Hillary Clinton John McCain
Quinnipiac 1087 3 Feb 9-12, 2007 Hillary Clinton Mitt Romney
Quinnipiac 1087 3 Feb 9-12, 2007 Chris Dodd John McCain
Quinnipiac 1087 3 Feb 9-12, 2007 John Edwards John McCain
Quinnipiac 1087 3 Feb 9-12, 2007 Barack Obama John McCain

Question: What was the sample size of the 2008 US Presidential Election (Connecticut) poll by state for May 2-7, 2007 for Hillary Clinton?

Question: What is the date the Quinnipiac polls were held when John McCain was Republican, Barack Obama was a Democrat and the sample size was greater than 1427 from the 2008 United States Presidential Election (Connecticut) state opinion poll?