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

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%'