what is the military unit whose command structures are 1st maneuver enhancement brigade and 1st maneuver enhancement brigade ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_commandStructure dbr_1st_Maneuver_Enhancement_Brigade sep_dot var_uri dbo_commandStructure dbr_1st_Maneuver_Enhancement_Brigade sep_dot var_uri a dbo_MilitaryUnit brack_close