what is the military unit whose command structures are ministry of national defense and ministry of national defense ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_commandStructure dbr_Ministry_of_National_Defense_ attr_open Republic_of_China attr_close sep_dot var_uri dbo_commandStructure dbr_Ministry_of_National_Defense_ attr_open Republic_of_China attr_close sep_dot var_uri a dbo_MilitaryUnit brack_close