user: Question: 5 November 2010 of Dragon Oil 4.02% has what average Date?
Columns: ['Date', '2 January 2007', '19 October 2009', '5 November 2010', '16 December 2011', '30 March 2012']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Allied Irish Banks 16.69%', 'Allied Irish Banks 7.3%', 'Allied Irish Banks 0.74%', 'Aer Lingus Group 0.41%', 'Aer Lingus Group 0.51%']
SQL:

assistant: SELECT AVG("Date") FROM "Table" WHERE "5 November 2010" = 'Dragon Oil 4.02%';