CREATE TABLE table_38505 ("Date" FLOAT, "2 January 2007" TEXT, "19 October 2009" TEXT, "5 November 2010" TEXT, "16 December 2011" TEXT, "30 March 2012" TEXT)

5 November 2010 of dragon oil 4.02% has what average Date?
SELECT AVG("Date") FROM table_38505 WHERE "5 November 2010" = 'dragon oil 4.02%'
SELECT AVG("Date") FROM "table_38505" WHERE "5 November 2010" = 'dragon oil 4.02%'