what is the military unit whose command structures are 2nd armored division and 2nd armored division ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_commandStructure dbr_2nd_Armored_Division_ attr_open United_States attr_close sep_dot var_uri dbo_commandStructure dbr_2nd_Armored_Division_ attr_open United_States attr_close sep_dot var_uri a dbo_MilitaryUnit brack_close