what is the military unit whose command structures are 1st south western mounted brigade and 1st south western mounted brigade ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_commandStructure dbr_1st_South_Western_Mounted_Brigade sep_dot var_uri dbo_commandStructure dbr_1st_South_Western_Mounted_Brigade sep_dot var_uri a dbo_MilitaryUnit brack_close