what is the military unit whose command structures are no . 71 wing raaf and no . 71 wing raaf ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_commandStructure dbr_No._71_Wing_RAAF sep_dot var_uri dbo_commandStructure dbr_No._71_Wing_RAAF sep_dot var_uri a dbo_MilitaryUnit brack_close