I'm not finding a way to get the latest updates Scenario :
There are three people which is assigned to a given lead.
Lead name : L1
User Name is John,Adam,Charles
Created Date NewValue OldValue Lead
01/03/2014 Adam John L1
03/03/2014 Charles Adam L1
07/03/2014 John Charles L1
How do we fire a soql on L1's leadhistory object so that we get only below result
07/03/2014 John Charles
Please help