name the military unit whose garrison is komotini and command structure is 16th mechanized infantry division ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_garrison dbr_Komotini sep_dot var_uri dbo_commandStructure dbr_16th_Mechanized_Infantry_Division_ attr_open Greece attr_close sep_dot var_uri a dbo_MilitaryUnit brack_close